travel to space tourism

Space Tourism: Can A Civilian Go To Space?

2021 has been a busy year for private space tourism: overall, more than 15 civilians took a trip to space during this year. In this article, you will learn more about the space tourism industry, its history, and the companies that are most likely to make you a space tourist.

What is space tourism?

Brief history of space tourism, space tourism companies, orbital and suborbital space flights, how much does it cost for a person to go to space, is space tourism worth it, can i become a space tourist, why is space tourism bad for the environment.

Space tourism is human space travel for recreational or leisure purposes . It’s divided into different types, including orbital, suborbital, and lunar space tourism.

However, there are broader definitions for space tourism. According to the Space Tourism Guide , space tourism is a commercial activity related to space that includes going to space as a tourist, watching a rocket launch, going stargazing, or traveling to a space-focused destination.

The first space tourist was Dennis Tito, an American multimillionaire, who spent nearly eight days onboard the International Space Station in April 2001. This trip cost him $20 million and made Tito the first private citizen who purchased his space ticket. Over the next eight years, six more private citizens followed Tito to the International Space Station to become space tourists.

As space tourism became a real thing, dozens of companies entered this industry hoping to capitalize on renewed public interest in space, including Blue Origin in 2000 and Virgin Galactic in 2004. In the 2000s, space tourists were limited to launches aboard Russian Soyuz aircraft and only could go to the ISS. However, everything changed when the other players started to grow up on the market. There are now a variety of destinations and companies for travels to space.

There are now six major space companies that are arranging or planning to arrange touristic flights to space:

• Virgin Galactic;
• Blue Origin;
• Axiom Space;
• Space Perspective.

While the first two are focused on suborbital flights, Axiom and Boeing are working on orbital missions. SpaceX, in its turn, is prioritizing lunar tourism in the future. For now, Elon Musk’s company has allowed its Crew Dragon spacecraft to be chartered for orbital flights, as it happened with the Inspiration4 3-day mission . Space Perspective is developing a different balloon-based system to carry customers to the stratosphere and is planning to start its commercial flights in 2024.

Orbital and suborbital flights are very different. Taking an orbital flight means staying in orbit; in other words, going around the planet continually at a very high speed to not fall back to the Earth. Such a trip takes several days, even a week or more. A suborbital flight in its turn is more like a space hop — you blast off, make a huge arc, and eventually fall back to the Earth, never making it into orbit. A flight duration, in this case, ranges from 2 to 3 hours.

Here is an example: a spaceflight takes you to an altitude of 100 km above the Earth. To enter into orbit — make an orbital flight — you would have to gain a speed of about 28,000 km per hour (17,400 mph) or more. But to reach the given altitude and fall back to the Earth — make a suborbital flight — you would have to fly at only 6,000 km per hour (3,700 mph). This flight takes less energy, less fuel; therefore, it is less expensive.

• Virgin Galactic: $250,000 for a 2-hour suborbital flight at an altitude of 80 km;
• Blue Origin: approximately $300,000 for 12 minutes suborbital flight at an altitude of 100 km;
• Axiom Space: $55 million for a 10-day orbital flight;
• Space Perspective: $125,000 for a 6-hour flight to the edge of space (32 km above the Earth).

The price depends, but remember that suborbital space flights are always cheaper.

What exactly do you expect from a journey to space? Besides the awesome impressions, here is what you can experience during such a trip:

• Weightlessness . Keep in mind that during a suborbital flight you’ll get only a couple of minutes in weightlessness, but it will be truly fascinating .
• Space sickness . The symptoms include cold sweating, malaise, loss of appetite, nausea, fatigue, and vomiting. Even experienced astronauts are not immune from it!
• G-force . 1G is the acceleration we feel due to the force of gravity; a usual g-force astronauts experience during a rocket launch is around 3gs. To understand how a g-force influences people , watch this video.

For now, the most significant barrier for space tourism is price. But air travel was also once expensive; a one-way ticket cost more than half the price of a new car . Most likely, the price for space travel will reduce overtime as well. For now, you need to be either quite wealthy or win in a competition, as did Sian Proctor, a member of Inspiration4 mission . But before spending thousands of dollars on space travel, here is one more fact you might want to consider.

Rocket launches are harmful to the environment in general. During the burning of rocket fuels, rocket engines release harmful gases and soot particles (also known as black carbon) into the upper atmosphere, resulting in ozone depletion. Think about this: in 2018 black-carbon-producing rockets emitted about the same amount of black carbon as the global aviation industry emits annually.

However, not all space companies use black carbon for fuel. Blue Origin’s New Shepard rocket has a liquid hydrogen-fuelled engine: hydrogen doesn’t emit carbon but simply turns into water vapor when burning.

The main reason why space tourism could be harmful to the environment is its potential popularity. With the rising amount of rocket launches the carbon footprint will only increase — Virgin Galactic alone aims to launch 400 of these flights annually. Meanwhile, the soot released by 1,000 space tourism flights could warm Antarctica by nearly 1°C !

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Leisure travel might be a little more exciting for the world’s wealthiest adventure seekers as space, long the exclusive domain of professional astronauts, is now accessible to tourists. In July 2021, Virgin Galactic and Blue Origin each successfully launched suborbital tourism programs from their spaceports in New Mexico and Texas, respectively (with Blue Origin completing its second launch in October 2021). In September 2021, SpaceX’s Inspiration4 mission kicked off the company’s orbital tourism program from the Kennedy Space Center’s historic Launch Complex 39A. Each of these companies hope to make space a popular destination by offering regular launch services to private citizens. Aspiring space tourists can expect to pay upwards of $250,000 for a seat on suborbital spacecrafts and an estimated $50 million for a ticket to orbit. Space enthusiasts on a budget can tour Spaceport America, where Virgin Galactic launches to space, for $50 or less.

These historic spaceflights  represent the most recent chapter in a longer history of space tourism. More than 20 years ago, Dennis Tito, the first “space tourist” (also known as “spaceflight participant”), flew to the International Space Station aboard a Soyuz spacecraft for a six-day stay. Tito donated the Sokol pressure suit he wore in space to the Museum in 2003. Since his flight, only six other individuals scored self-funded travel to space (one of these intrepid travelers flew twice). Space Adventures, a US-based travel agency to the stars, facilitated these multi-million dollar, out-of-this-world experiences in partnership with the Russian space agency, Roscosmos.

Dennis Tito wore this suit when he launched to the International Space Station on April 28, 2001. (Smithsonian Institution)

Although space itself remained inaccessible to private citizens until the 21st century, other places where Earth and space meet—such as National Aeronautics and Space Administration (NASA) centers—have long been popular destinations for a different kind of space tourist.

The Space Age dawned in the golden age of the family road trip. Thanks to the proliferation of private automobile ownership, an expanding interstate highway system, and the advent of more generous vacation policies in the workplace, Americans ventured from home in greater numbers in the 1960s than at any earlier time in the nation’s history. Millions of these travelers included on their itineraries NASA centers, particularly those with ties to the human spaceflight program: the George C. Marshall Space Flight Center in Huntsville, Alabama; the John F. Kennedy Space Center in Brevard County, Florida; and the Manned Spacecraft Center (known since 1973 as the Johnson Space Center) in Houston, Texas.

NASA centers were not prepared for the tourists who appeared en masse outside their gates. In the early 1960s, the centers operated much like—and were often physically adjacent to—secure military installations. For reasons of national security, the centers restricted access to official visitors only. In response to curious onlookers, the centers developed ad hoc visitor programs. At the same time, proactive civic leaders and enterprising business-people responded to the presence of space center tourists by developing their own space-themed attractions, including museums, halls of fame, and amusement parks, and amenities, such as motels, hotels, and restaurants.

At the Kennedy Space Center, for example, public affairs officers facilitated increasing access to NASA’s launch complex between 1964 and 1967. Their efforts began while the spaceport was under construction with a modest roadside trailer featuring wall-mounted exhibitions. They soon expanded visitor programming to include self-guided driving tours on weekends and holidays during breaks in construction activity. In 1966, the space center partnered with Trans World Airlines (TWA) to operate an escorted bus tour program.

Trans World Airlines (TWA) operated the bus tour program at the Kennedy Space Center in the 1960s. (NASA/KSC Spaceport News)

The following year, the Visitor Information Center opened to the public. It featured indoor exhibition and presentation facilities, an outdoor “rocket garden” that became a popular backdrop for family photos, and a depot for the bus tour program. The architect included all the amenities a traveler might need, such as restrooms, food concessions, a gift shop, and a pay phone, which is now on display at our Steven F. Udvar-Hazy Center. Shaped like a Mercury capsule, the pay phone was painted in a playful tropical teal color, which was en vogue at other Florida attractions at the time. Since 1967, the Visitor Information Center has continued to evolve and expand, reflecting developments in spaceflight and the evolving expectations of 21st century vacationers. Some 1.5 million people visit annually.

This phonebooth was installed at the Visitor Information Center at NASA’s Kennedy Space Center during the 1960s. (Smithsonian Institution)

Whether venturing to space, visiting a spaceport, or engaging in space-related recreation, individuals and families are likely to continue the tradition of incorporating space activities as part of their leisure time. As we enter the next chapter in the history of space tourism, questions about the significance of these experiences endure: What do “space tourists” hope to gain from their encounter with space or space sites? What does their choice of vacation destination say about their individual identities and the cultural significance of space? Who has access to these experiences and who is left out? And how will space tourism reshape communities on Earth as the industry evolves?

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You Won’t Hear Much About the Next Chapter of Space Travel

Space tourism is getting less transparent, and more like traveling by private jet.

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Of all the high-flying tourism ventures spawned by space-obsessed billionaires, Virgin Galactic, founded by Richard Branson, offers perhaps the most unconventional approach. It doesn’t use big rockets or gumdrop-shaped capsules. Instead, an airplane takes off with a spacecraft strapped to its wing. The spacecraft, shaped like a plane itself, holds the paying customers and more pilots. When the airplane reaches a certain altitude, it releases the spacecraft. The spacecraft’s pilots then ignite its engine, and the vehicle soars straight up, to the fuzzy boundary that separates us from the rest of the universe, before gliding back down and landing on a runway.

The spaceplane experience is a stark contrast to Blue Origin’s suborbital jaunts and SpaceX’s orbital missions, but Virgin Galactic’s passengers still have a few surreal minutes of weightlessness, and they get to see the planet gleaming against the darkness of space. Those passengers have included the first former Olympian to reach space, as well as the first mother-daughter duo and, most recently, the first Pakistani .

In the midst of all that, Virgin Galactic clocked a first that raised some eyebrows: The company withheld the passenger list from the public before a takeoff last month, divulging the travelers’ names only after they had landed. The company never publicly explained its preflight secrecy. (Virgin Galactic did not respond to a request for comment.) Yesterday, Virgin Galactic announced its next flight, scheduled for November; the company kept one of the three listed passengers anonymous, saying only that the person is “of Franco-Italian nationality.”

Virgin is of course within its rights to withhold passenger names before takeoff. After all, airlines and railroads keep private the names of their customers. But Virgin Galactic’s choice to do so marks a subtle shift—the latest in U.S. spaceflight’s arc from a publicly funded national mission to private tourism. NASA, as a taxpayer-funded organization, has always had to provide the public with launch lists and livestreams. But the age of space tourism raises a host of questions: How much openness do space-tourism companies owe the public? How much privacy do they owe their customers? Before the Virgin flight returned home last month, it operated almost like a privately chartered plane, its movements known to relevant aviation agencies but its passengers’ names undisclosed to the public. Commercial spaceflight and air travel are still far from alike, but in this particular aspect, the space-tourism industry may be drifting toward its private-jet era.

Read: The new ‘right stuff’ is money and luck

In practice, the space-tourism industry is barely more than two years old, and it’s “still finding its norms,” says Carissa Christensen, a space consultant and the CEO of BryceTech, an analytics and engineering firm. The first passenger rosters were marquee news in 2021, when Branson and Jeff Bezos were racing to be the first to ride their own spacecraft , and Elon Musk’s SpaceX was working to send a quartet of private astronauts with zero spaceflight experience into orbit.

All three of their companies publicized, and even hyped, the passenger lists, in some cases months in advance. Wally Funk, an octogenarian aviator who had outperformed male candidates in astronaut tests during the 1960s but was kept out of the astronaut corps because she was a woman, flew alongside Bezos . Jared Isaacman, a billionaire businessman, paid for three other people to fly into orbit with him on SpaceX; all of them gave countless interviews before launch. And who can forget the hype ahead of William Shatner’s flight, and the Star Trek star’s unfiltered, emotional remarks after landing?

The rosters became less noteworthy as time went on: The customers were no longer memorable guests who got free rides, but simply very wealthy people who could afford the trips on their own. Last month’s temporarily secret Virgin Galactic fliers included a real-estate investor from Las Vegas, a South African entrepreneur, and a British engineer who founded a company that builds race cars. Michelle Hanlon, a space lawyer and the executive director of the University of Mississippi’s Center for Air and Space Law, told me that she was mildly surprised by Virgin Galactic’s decision to withhold the passengers’ identities before takeoff, but that the decision did not strike her as inappropriate.

“From a paparazzi standpoint, if it’s Ashton Kutcher, the world’s gonna care a little bit more than if it’s Michelle Hanlon,” Hanlon said. (Kutcher did, in fact, purchase a Virgin Galactic ticket in 2012, but he later sold it back to the company after his wife and fellow actor, Mila Kunis, talked him out of going.) And from a legal standpoint, nothing inappropriate occurred, Hanlon said; there are no existing requirements for a private company to disclose passenger names. Space travelers must sign waivers from the Federal Aviation Administration outlining the risks associated with the activity, she said, but the companies they’re flying with are not required to provide the agency with a passenger list.

Read: Jeff Bezos knows who paid for him to go to space

Passenger names aren’t the only details of commercial spaceflight that are becoming more opaque. When SpaceX launched its first set of private astronauts, the company shared significantly less live footage of their experience in orbit than they did when NASA astronauts test-drove the capsule a year earlier. During its last two flights, Virgin Galactic decided not to provide a livestream, giving updates on social media instead.

Because there are no regulations, it’s difficult to say when the companies’ right to privacy becomes a concerning level of secrecy. NASA overshares when it comes to its astronauts and their mission, because the public—which funds the agency—expects it. Americans might also expect a good look at SpaceX customers who visit the International Space Station, which relies on billions of dollars of taxpayer money, and where private visitors share meals with government astronauts. But what about other kinds of SpaceX missions, which go into orbit without disembarking at any government-owned facility? The company developed its crewed launch services with significant investment from NASA, so virtually every SpaceX trip indirectly involves government money. That doesn’t necessarily mean SpaceX is obligated to share as the space agency does, even if people on the ground feel that it should.

Another major difference between NASA missions and private ones, of course, is that astronauts are at work, whereas many space tourists are presumably just having fun. Caryn Schenewerk, a consultant who specializes in commercial spaceflight at her firm CS Consulting, told me that she thinks commercial spaceflight will adopt the practices of other forms of adventure tourism. Take skydiving, for example: Schenewerk said that she has signed paperwork granting the skydiving company permission to use footage of her experience for its own purposes. “There’s some expectation of privacy on the individual’s behalf that then has to be actively waived for the company’s benefit,” she said.

The once-anonymous Virgin Galactic passengers on the September flight have since publicly shared their stories , basking in the awe of their experience. Christensen told me that most future tourists will likely do the same. “A big part of the fun is other people knowing that you’ve done it,” she said. Flying to space isn’t exactly something to be modest about: Fewer than 700 people have done it since human beings first achieved the feat, in the early 1960s, and we know all of their names. If Virgin’s new mystery passenger doesn’t reveal their name, they really will make history.

Read: Seeing Earth from space will change you

Many spacefarers—the Soviet cosmonauts who inhabited the first space station, the American astronauts who shuttled their way into orbit, the Chinese astronauts living in space right now, all of the people who have flown commercial—have spoken about the transformational wonder of seeing Earth from space, a phenomenon known as the overview effect . They reported that they better understood the reality of our beautiful, fragile planet, and that they felt a duty to share their impressions with people on the ground. Gene Cernan, one of the dozen men who walked on the lunar surface, once said, “If only everyone could relate to the beauty and the purposefulness of it … It wouldn’t bring a utopia to this planet for people to understand it all, but it might make a difference.” In this sense, for a space traveler to remain unknown forever would be a sort of anti–overview effect: Just as they may have the right to request some privacy, they have no obligation to bring the transcendent power of their journey back to Earth.

Three years ago, two NASA astronauts made a historic flight on a new SpaceX astronaut capsule. Ahead of the mission, I asked NASA what Doug Hurley and Bob Behnken were going to have for breakfast on the morning of the launch. It was a question with a long tradition in spacefaring history: During the Apollo days, the public was privy to the final Earth-bound meals of history-making astronauts. NASA officials balked, saying they couldn’t divulge that information for privacy reasons. But on the day of the launch, Hurley, as if to sate the space press corps, posted a picture of his steak and eggs on Twitter (as it was still known then).

Hurley and Behnken’s preflight hours seemed like fair game; after all, these men were government employees, doing their job on their assigned mission. But future passengers may decide that we have no business knowing their breakfast order—or even their name.

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13 Things Tourists Should Know Before Traveling to Space, According to Astronauts

We asked the pros for their best tips on handling a first trip to space.

For most of human spaceflight history, those lucky enough to reach the stars were professional astronauts hired and trained by government agencies around the world. But since the early 2000s, when seven intrepid travelers paid millions to spend a few days aboard the International Space Station (ISS), space tourism has begun to take off. We're now on the cusp of a new era of space exploration, with commercial companies like Virgin Galactic and Blue Origin launching spacecraft capable of taking paying travelers beyond the Earth's surface.

We spoke with former NASA astronauts Leroy Chiao and Scott Parazynski to get their tips for first-time spaceflight participants. During his 15 years with NASA, Chiao participated in four missions — three aboard the space shuttle and one to the ISS, in which he served as commander. Parazynski worked at NASA for 17 years, flying five shuttle missions throughout his career. Read on to discover what they think aspiring space tourists need to know.

Your only job on the flight will be to kick back, relax, and enjoy the ride.

If you're taking a suborbital flight, which is what companies like Virgin Galactic and Blue Origin have offered, your ride will be a quick up-and-down to reach space, rather than a full orbit of the Earth. The short journey is relatively easy compared to what professional astronauts experience. For starters, you won't need to worry about flying your spacecraft. That's all up to the spaceflight provider. "You won't have any responsibility other than to enjoy the experience — and not kick anyone else in the head," says Parazynski. "Their obligations on the flight are pretty straightforward."

As such, the training programs for suborbital space tourist experiences are relatively minimal, perhaps only a few days in length at most. "The downside of not having a lot of training is that you don't have the confidence that comes from lots of training," says Parazynski. "Contrast that with the training I had on the space shuttle, where we trained for hundreds and hundreds of hours for launching in space. If something were to go awry, we would know exactly what to do and our hearts wouldn't skip a beat."

So, other than learning to place your complete trust in your spaceflight provider, Parazynski recommends talking to people who have flown before in order to ease any nervousness. Chiao agrees: "The best advice I can give on launch — and it's easy to say, harder to do — is to try to relax and enjoy the whole process," he says. "Pay attention during your training, talk to other people who've been there if you can. And actually, you might be surprised — it's quite calm!"

Make sure you’re physically and mentally fit.

"I think people should treat this as their Olympics or Super Bowl. This is a really big life experience, and though you don't need to be an Olympic athlete or a Super Bowl champion to fly in space, it helps to be fit," says Parazynski. After all, your body will be experiencing quite a range of new sensations during your spaceflight."

But it's not just about physical fitness — mental fitness is key, too. "I think through fitness comes mental acuity as well," says Parazynski. "The more you can be engaged in the experience, the more you'll remember of it — it'll be more impactful to you."

The G-forces experienced on launch and reentry are not as intense as you might expect.

If you've ever watched a livestream of an astronaut launch, caught any Hollywood flick about space travel, or ridden Mission: Space at Walt Disney World's Epcot theme park, you know that during launch, astronauts get crushed back into their seats. (And, actually, during reentry, too!) They're experiencing strong G-forces, or a sensation of weight felt during acceleration. It's the same feeling you get when you speed up quickly in a car or zoom through a loop or a sharp curve on a roller coaster, but during a rocket launch, those forces are stronger and more sustained. While the experience might seem a little terrifying, the pros say it's quite manageable.

"The G-forces aren't nearly as bad as they show in the movies," says Chiao. "If you're good enough to be given medical approval to go on a trip like this, you're not going to have any problems handling the G-forces." He also notes that you'll likely go through centrifugal runs during your training to prep for the sensation — you'll be strapped into a spinning machine that lets you experience strong G-forces, just like that spinning amusement park ride where you're pressed against the wall and the floor drops.

But to make launch and reentry as comfortable on your body as possible, you'll want to physically relax your muscles so you don't fight against the G-forces. "If you relax and let your body sink into the launch couch, you're going to tolerate it much better," says Chiao. "If you're rigid, that's where you might hurt yourself. And make sure your limbs and arms are inside of the couch."

To prep for weightlessness, you should book a zero-gravity flight.

While it takes quite a bit of effort (and time and money) to get into space to experience weightlessness, you can actually experience the sensation right here on Earth — or rather, just slightly above it. All you need to do is book a zero-gravity flight , where a plane flies in a series of parabolas (or arch-like shapes) during which passengers experience simulated weightlessness through free fall.

It's physically the same as skydiving or even riding a roller coaster, but in those two instances, your senses tell you you're actually falling. "When you're in a zero-G airplane, the airplane is falling at the same rate you are, so you're floating inside the airplane," says Chiao. "That's what it's like in a spacecraft when you get up into space and the engines cut off."

Through commercial companies like the Zero Gravity Corporation , anyone who can spare the cost of a ticket can experience weightlessness — and anyone who's planning on making a trip to space should definitely give it a go. "If they have the means, they should get on a zero-G flight before they go on a suborbital flight," says Parazynski. "It would take some of the mystery out of 'what am I going to feel like?' and 'how do I move?'"

Learning how to scuba dive is good weightlessness training, too.

While being underwater isn't exactly like floating in space, it's a pretty good way to practice moving around in a weightless environment. In fact, NASA even has a life-sized replica of the ISS set inside a giant pool, so astronauts can train for spacewalks underwater.

"Moving in weightlessness comes to you very quickly when you spend some time underwater," says Parazynski. "Get neutrally buoyant underwater and very gently try and move yourself along the ocean floor or bottom of your pool. It doesn't take a lot of force, but it does take a lot of thought."

Come up with a game plan for your few minutes in space.

On suborbital flights, you're only going to have a few minutes in weightlessness, so you should plan exactly how you want to spend your time up there. Figure out if you'd like to bring a memento like a family photo or college pennant for a fun picture. (U.S. Naval Academy graduates and former astronauts Wally Schirra and Tom Stafford famously put a "Beat Army" sign in the window of their Gemini VI spacecraft, so there's a long tradition of this.) Decide in advance if you want to attempt what spaceflight veterans call "stupid astronaut tricks," like flips or spins. But most importantly, budget time to look out the window.

"The most important thing I would tell future astronauts is to savor the view out the window," says Parazynski. "It's, for lack of a better term, a God's-eye view, and so few people have ever had a chance to see it. It's really a beautiful thing to be hovering in space and looking down at your planet."

Don’t worry about taking your own photos.

"As far as taking photographs, I don't know that I would recommend it," says Chiao. "You're not going to be very good at it, first of all, because it takes a little bit of practice to get used to zero-G. Don't waste that time taking photos. Get your memories, look out those windows, and enjoy the whole experience of being weightless." Plus, given the price tag of these spaceflights, we're pretty sure that your operator will provide you with photos and videos of your journey anyway.

When you get into zero gravity, you might feel a little dizzy.

The body functions a bit differently when you remove gravity from the equation for a sustained period of time, and side effects may include dizziness and nausea. "You're going to feel full-headed because there's no longer gravity pulling fluid down into your legs," says Chiao. "And so all that fluid comes up into your torso, and you can feel it right away. It feels kind of like you're standing on your head."

But the good news is, on suborbital flights you might be able to avoid the worst of it. "The adrenaline and excitement are going to make you do OK at first, and by the time you might start feeling bad, it's time to strap back in and come back down," says Chiao.

If you’re spending a few days in space, be prepared for some bumps and bruises.

On a suborbital flight, you won't have a ton of time in space, so you won't really have to worry about acclimating to zero gravity. However, some private spaceflight companies are looking to send their clients up into orbit for longer stays and there are even talks of a space hotel within Voyager Station . If you're going to spend a few days or even a few weeks up in space, you're probably going to bump your head more than once, no matter how much you've trained for the experience.

"It's really funny watching rookie astronauts the first day or two up on a mission," says Parazynski. "We called them the bull in a china shop. They push off with full force and they crack their skull or bang their knee."

You’re also going to make a mess.

Doing routine tasks like brushing your teeth (you can't just spit your toothpaste into a sink), clipping your fingernails (you don't want them floating off into your space station), and going to the bathroom (have you ever thought about how to use a toilet without gravity?) are all very different experiences in weightlessness. Inevitably, you might have a few mishaps early on in your trip.

"Just sitting down for a meal, you put your fork down, and it's gone in 30 seconds," says Parazynski. "You may find it two days later in the cabin air cleaner because that's where the air currents have taken it." Luckily, a lost fork is an easy mess to clean up — and the situation can be prevented by tethering it down. Other messes are a different story.

"As far as using the restroom, that's what you need to pay attention to during your training. The toilet is not particularly simple and you have to be careful," says Chiao. (In case you were wondering, space toilets use airflow to guide things where they're supposed to go.) "But be prepared to make some messes," says Chiao. "And everybody has to clean up their own mess."

If you’re going to do a spacewalk, the stakes are much higher for you and your crew.

If you want to zip around space with a jetpack like George Clooney in "Gravity," sorry, but chances are that's not going to happen any time soon. Most private astronauts will be safely tucked inside their craft for the duration of their flight.

Unlike suborbital flights, future orbital flights with a spacewalk will require extensive training, given that spacewalks are inherently more dangerous than simply riding in a vessel. "If you're careless with your tethers and you float off into the void, there's not a whole lot anyone can come do for you," says Parazynski. It's possible that a crewmate may be able to head out to rescue you, but then you're endangering their life as well. "It's paramount for a spacewalker to think not just about their own health and well-being and their experience, but also that of their crewmates," he says.

If you’re in a capsule, be prepared for a bumpy landing.

While the only way up to space is by rocket, there are two ways to come back down: via a winged vehicle, like the space shuttle or Virgin Galactic's SpaceShipTwo, or a capsule, like Apollo, Soyuz, and Blue Origin's New Shepard. The experiences are quite different, as winged vehicles land like an airplane on a runway, whereas capsules descend beneath parachutes onto land or water. While both experience a range of G-forces during reentry, capsules have a bit of a rougher ride, particularly at the very end.

"When the parachute comes out, you can expect to get jostled around a fair amount, so that can be disorienting," says Chiao. "Then, whether you're hitting the water or the ground, you're gonna get a good bump. There are shock-absorbing mechanisms, of course, that make it not too big a deal. But on Soyuz, you smack the ground pretty darn hard. It was kind of surprising!"

It’ll be worth every penny.

Sure, it's going to cost a small fortune to go into space as a tourist — for now, that's somewhere in the ballpark of several hundred thousand dollars for a suborbital flight and millions of dollars for longer-duration orbital stays. But ask any astronaut, and they're sure to tell you it'll be worth the investment.

"What I would tell prospective astronauts is that it's going to change their lives forever," says Parazynski. "It's a perspective that can't be captured in emotion on film. Even in 3D IMAX, there's no way to capture the way it's going to make you feel, the connectedness you feel to planet Earth, and the awe you have when you look out into the universe."

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Virgin Galactic’s first space tourists finally soar, an Olympian and a mother-daughter duo

Virgin Galactic rocketed to the edge of space with its first tourists Thursday, including a former British Olympian who bought his ticket 18 years ago and a mother-daughter duo from the Caribbean. (August 10) (Production Marissa Duhaney)

This photo provided Virgin Galactic shows passengers during Virgin Galactic’s first space tourism flight on Thursday Aug. 10, 2023. Virgin Galactic rocketed to the edge of space with its first tourists Thursday. The space plane glided back to a runway landing at Spaceport America in the New Mexico desert, after a brief flight that gave passengers a few minutes of weightlessness.(Virgin Galactic via AP)

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Virgin Galactic’s rocket-powered plane Unity 22, lands after a short flight to the edge of space at Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride. (AP Photo/Andrés Leighton)

Virgin Galactic’s rocket-powered plane Unity 22, left, flies past its mothership Eve on its way to the edge of space after taking off from Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride. (AP Photo/Andrés Leighton)

Virgin Galactic’s mothership Eve, carrying the rocket-powered plane Unity 22, flies after taking off from Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride. (AP Photo/Andrés Leighton)

Space tourists, from left, Anastatia Mayers, Jon Goodwin and Keisha Schahaff pose for photos before boarding their Virgin Galactic flight at Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride. (AP Photo/Andrés Leighton)

Guests wave flags of Antigua and Barbuda while watching the return of Virgin Galactic’s rocket-powered plane Unity at Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride, including a British former Olympian and a mother-daughter duo from the Caribbean island. (AP Photo/Andrés Leighton)

Space tourists, from left, Anastatia Mayers, Jon Goodwin and Keisha Schahaff walk to the tarmac before boarding their Virgin Galactic flight at Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride. (AP Photo/Andrés Leighton)

Virgin Galactic’s mothership Eve, carrying the rocket-powered plane Unity 22, takes off from Spaceport America, near Truth or Consequences, N.M., Thursday, Aug. 10, 2023. Virgin Galactic is taking its first space tourists on a long-delayed rocket ship ride. (AP Photo/Andrés Leighton)

TRUTH OR CONSEQUENCES, N.M. (AP) — Virgin Galactic rocketed to the edge of space with its first tourists Thursday, a former British Olympian who bought his ticket 18 years ago and a mother-daughter duo from the Caribbean.

The space plane glided back to a runway landing at Spaceport America in the New Mexico desert, after a brief flight that gave passengers a few minutes of weightlessness.

This first private customer flight had been delayed for years; its success means Richard Branson’s Virgin Galactic can now start offering monthly rides, joining Jeff Bezos’ Blue Origin and Elon Musk’s SpaceX in the space tourism business.

“That was by far the most awesome thing I’ve ever done in my life,” said Jon Goodwin, who competed in canoeing in the 1972 Olympics.

Goodwin, 80, was among the first to buy a Virgin Galactic ticket in 2005 and feared, after later being diagnosed with Parkinson’s disease, that he’d be out of luck. Since then he’s climbed Mount Kilimanjaro and cycled back down, and said he hopes his spaceflight shows others with Parkinson’s and other illnesses that ”it doesn’t stop you doing things.”

Ticket prices were $200,000 when Goodwin signed up. The cost is now $450,000.

He was joined on the flight by sweepstakes winner Keisha Schahaff, 46, a health coach from Antigua, and her daughter, Anastatia Mayers, 18, a student at Scotland’s University of Aberdeen. They high-fived and pumped their fists as the spaceport crowd cheered their return.

“A childhood dream has come true,” said Schahaff, who took pink Antiguan sand up with her. Added her daughter: “I have no words. The only thought I had the whole time was ‘Wow!’ ”

With the company’s astronaut trainer and one of the two pilots, it marked the first time women outnumbered men on a spaceflight, four to two.

Cheers erupted from families and friends watching below when the craft’s rocket motor fired after it was released from the twin-fuselage aircraft that had carried it aloft. The rocket ship’s portion of the flight lasted about 15 minutes and it reached 55 miles (88 kilometers) high.

It was Virgin Galactic’s seventh trip to space since 2018, but the first with a ticket-holder. Branson, the company’s founder, hopped on board for the first full-size crew ride in 2021. Italian military and government researchers soared in June on the first commercial flight. About 800 people are currently on Virgin Galactic’s waiting list, according to the company.

In contrast to Virgin Galactic’s plane-launched rocket ship, the capsules used by SpaceX and Blue Origin are fully automated and parachute back down.

Like Virgin Galactic, Blue Origin aims for the fringes of space, quick ups-and-downs from West Texas. Blue Origin has launched 31 people so far, but flights are on hold following a rocket crash last fall. The capsule, carrying experiments but no passengers, landed intact.

SpaceX, is the only private company flying customers all the way to orbit, charging a much heftier price, too: tens of millions of dollars per seat. It’s already flown three private crews. NASA is its biggest customer, relying on SpaceX to ferry its astronauts to and from the International Space Station. since 2020.

People have been taking on adventure travel for decades, the risks underscored by the recent implosion of the Titan submersible that killed five passengers on their way down to view the Titanic wreckage. Virgin Galactic suffered its own casualty in 2014 when its rocket plane broke apart during a test flight, killing one pilot. Yet space tourists are still lining up, ever since the first one rocketed into orbit in 2001 with the Russians.

Branson, who lives in the British Virgin Islands, watched Thursday’s flight from a party in Antigua. He was joined by the country’s prime minister, as well as Schahaff’s mother and other relatives.

“Welcome to the club,” he told the new spacefliers via X, formerly Twitter.

Several months ago, Branson held a virtual lottery to establish a pecking order for the company’s first 50 customers — dubbed the Founding Astronauts. Virgin Galactic said the group agreed Goodwin would go first, given his age and his Parkinson’s.

This story has been updated to correct introductory price to $200,000, not $250,000.

Dunn reported from Cape Canaveral, Florida.

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.

Want to be a space tourist? Here are 6 things to consider first

The industry of space tourism could exist in the future. Image:  Unsplash/NASA

.chakra .wef-1c7l3mo{-webkit-transition:all 0.15s ease-out;transition:all 0.15s ease-out;cursor:pointer;-webkit-text-decoration:none;text-decoration:none;outline:none;color:inherit;}.chakra .wef-1c7l3mo:hover,.chakra .wef-1c7l3mo[data-hover]{-webkit-text-decoration:underline;text-decoration:underline;}.chakra .wef-1c7l3mo:focus,.chakra .wef-1c7l3mo[data-focus]{box-shadow:0 0 0 3px rgba(168,203,251,0.5);} Steven Freeland

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Stay up to date:.

• In July 2021, entrepreneur Sir Richard Branson and Amazon founder Jeff Bezos went up into space, accompanied by fellow passengers.
• These trips created vast amounts of media coverage and brand recognition for Branson’s Virgin Galactic and Bezos’ Blue Origin.
• This could indicate that a commercial space tourism industry is on the horizon.
• Before space trips become commercially available, important factors such as environmental and safety laws need to be considered.

It’s been a momentous month for space-faring billionaires. On July 11, British entrepreneur Sir Richard Branson’s Unity “rocket-plane” flew him and five fellow passengers about 85 kilometres above Earth. And this week, Amazon founder Jeff Bezos’ New Shepard capsule reached an altitude of 106km , carrying Bezos, his brother, and the oldest and youngest people ever to reach such a height. Passengers on both flights experienced several minutes of weightlessness and took in breathtaking views of our beautiful and fragile Earth.

Both flights created an avalanche of media coverage and brand recognition for Branson’s Virgin Galactic and Bezos’s Blue Origin. There is renewed anticipation of a lucrative commercial space tourism industry that could eventually see thousands of paying passengers journey into space (or not quite into space, depending on your preferred level of pedantry).

This year marks 60 years since Soviet cosmonaut Yuri Gagarin became the first human in space. Since then, almost 600 trained astronauts have gone into outer space, but very few people have become space tourists.

The first, US engineer Dennis Tito, paid a reported US$20 million to spend six days orbiting Earth in the Russian section of the International Space Station in April 2001, after three months’ training at Russia’s Star City complex. He was followed by a handful of other very wealthy “orbital tourists”, most recently Cirque de Soleil founder Guy Laliberté in 2009, whose ticket reportedly cost US$35 million.

Unlike their predecessors, Branson’s and Bezos’ flights were suborbital – they didn’t reach the velocity needed to orbit Earth. Bezos’s entire flight lasted just over 10 minutes. Suborbital flights are much less technically complex, and in theory cheaper (although one seat on the New Shepard flight was auctioned for US$28 million ).

While they might quibble over billionaire bragging rights, there’s no denying that suborbital “space” flights have the potential to be less eye-wateringly expensive than going into orbital outer space and beyond.

But before you sign up – assuming you’re lucky enough to afford it – here are a few things to consider.

Where does space start, anyway?

Have you read, how many space launches does it take to have a serious climate impact, from space squid to saliva: what's inside nasa's cargo missions and why, the big space clean-up - and why it matters.

Despite assertions to the contrary , there is no legal definition of “outer space”, and thus no official boundary where airspace ends and outer space begins. In the past, the International Aeronautical Federation has looked to the von Karman line , but this does not coincide with the boundary of any of the atmosphere’s scientifically defined layers, and the UN Committee on the Peaceful Uses of Outer Space , which deals with such issues, has not yet resolved the question.

Conveniently for Branson, 80km has been proposed by some experts as an appropriate boundary.

Outer space is undeniably influenced by Earthly geopolitics. Essentially, the larger space-faring countries see no need to legally define a boundary that would clearly demarcate the upper limits of their sovereignty.

Will you be an ‘astronaut’?

The 1967 UN Outer Space Treaty designates astronauts as “envoys of (hu)mankind in outer space”. Certainly, that seemed to be the case as the world watched the historic Apollo 11 Moon landing and prayed for a safe return of the stricken Apollo 13 capsule. However, the 1968 UN Rescue Agreement refers to “personnel of a spacecraft”, which may imply not everyone on board should be considered a fully fledged astronaut.

Of course, these legal niceties won’t deter space tourism companies from awarding “astronaut wings” to their passengers.

What laws apply when things go wrong?

The 1986 Challenger and 2003 Columbia shuttle disasters are stark reminders of the dangers of space travel. Human space travel has always involved determining acceptable levels of risk for trained astronauts. But commercial space tourism is different to state-sponsored space programs, and will need the highest possible safety standards.

Commercial space travel will also require a system of responsibility and liability, for cases in which a space tourist suffers injury, loss or damage.

Space tourists (or their families) can’t claim for compensation under the 1972 UN Liability Convention which, in terms of space, applies only to collisions between space objects such as satellites and space debris. While there may be scope to take legal action under national laws, it is likely space tourists will be asked to sign carefully worded waivers of liability.

The same is probably true of international air law , which applies to “aircraft” — a designation space tourism operators will understandably be keen to avoid.

Ultimately, we may need to develop a system of “aerospace law” to govern these suborbital flights as well as “transorbital” transport such as the keenly envisaged flights that might one day take passengers from Sydney to London in just a few hours.

What activities should be allowed in space?

The advent of space tourism will give rise to some interesting ethical questions. Should there be advertising billboards in space? What about casinos, or brothels? On what legal basis should these things be restricted?

How does tourism fit with the underlying philosophy of space law: that the exploration and use of outer space “shall be carried out for the benefit and in the interests of all countries”?

Will space tourism harm the environment?

Space tourism will inevitably put pressure on Earth’s environment – there are claims that space vehicles may one day become the world’s biggest source of carbon dioxide emissions. We will need to manage space traffic carefully to avoid disastrous collisions and steer clear of space debris .

If tourists go to the Moon, they may cause pollution or damage the heritage of earlier exploration, such as Neil Armstrong’s footprints .

Will tourism workers have to live in space?

If space tourism does become truly widespread, it will need infrastructure and perhaps even staff. People may end up living permanently in space settlements, perhaps having children who will be born as “space citizens”. What legal rights would someone have if they were born at a Moon base? Would they be subject to terrestrial laws, or some version of current international legal rules for outer space?

The World Economic Forum was the first to draw the world’s attention to the Fourth Industrial Revolution, the current period of unprecedented change driven by rapid technological advances. Policies, norms and regulations have not been able to keep up with the pace of innovation, creating a growing need to fill this gap.

The Forum established the Centre for the Fourth Industrial Revolution Network in 2017 to ensure that new and emerging technologies will help—not harm—humanity in the future. Headquartered in San Francisco, the network launched centres in China, India and Japan in 2018 and is rapidly establishing locally-run Affiliate Centres in many countries around the world.

The global network is working closely with partners from government, business, academia and civil society to co-design and pilot agile frameworks for governing new and emerging technologies, including artificial intelligence (AI) , autonomous vehicles , blockchain , data policy , digital trade , drones , internet of things (IoT) , precision medicine and environmental innovations .

Learn more about the groundbreaking work that the Centre for the Fourth Industrial Revolution Network is doing to prepare us for the future.

Want to help us shape the Fourth Industrial Revolution? Contact us to find out how you can become a member or partner.

These are obviously questions for the future. But given the excitement generated by the brief journeys of a couple of wealthy entrepreneurs, we should start contemplating them now. Outer space is the new frontier, but it is not — and must not — be a lawless one.

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Space Tourism: How to Visit Space as a Tourist

Last updated: August 28, 2023 . Written by Laurence Norah - 4 Comments

Despite the name of this blog, I have been distressingly earth bound for all of my years thus far. Given recent developments in space exploration technology though, hope is not yet lost for the dream of going into space as a tourist – without having to shell out the millions of dollars that past tourists have paid!

In today’s post, I’m going to talk about a few things. I’m going to cover where space travel & exploration is today.

I’m going to talk about what options we have now, and may have in the future, for getting into space as a tourist. And I’m also going to cover a few ways those of us stuck on Earth without access to a giant pile of cash can still get our space fix around the world!

The State of Space Travel as a Tourist in 2023

Huge strides are happening right now in space exploration, particularly with private companies looking at opening up space to your average person. Admittedly, right now, space tourism isn’t exactly accessible.

Up to 2009, only 7 people made it into space as tourists, all travelling with the Russian Space Agency, and all paying in excess of USD $20 million.

These weren’t exactly hop-on hop-off trips either, with the participants undergoing months of training, and many of them actively running their own experiments in space. So to call them space tourists is perhaps a bit of a misnomer.

However, things have now changed, and trips into space are becoming more affordable. Admittedly, they aren’t exactly “budget”, but they are less than $20 million a go.

So what’s changed?

Well, put simply, private investment. Whilst massive government organisations like NASA , the Russian Space Agency and the European Space Agency are always researching and expanding their space exploration efforts, their focus isn’t exactly on getting folks like you and me into space – at least not in the near term. Their focus is on long term scientifically focused exploration missions, with perhaps the most exciting being NASA’s Journey to Mars .

Other organisations though, see the potential for space based tourism as a way to generate funds and publicity for their projects. There are three main players in the space tourism business right now – Virgin Galactic , SpaceX and Blue Origin .

Let’s take a look at the main players with whom you have a real chance of getting into space within the next few years.

How to Go To Space As A Tourist

Other than flagging down a passing UFO Ford Prefect style, or signing up to be an astronaut with a government agency, getting into space is a bit tricky. But that’s all changing, and these are the companies with whom you are most likely to be able to travel into space.

1. Virgin Galactic

Part of the Virgin Group headed up by Sir Richard Branson, Virgin Galactic currently offers sub-orbital flights to paying passengers aboard their SpaceShipTwo and SpaceShipThree craft.

Sub-orbital means that you’re not high enough to actually orbit the earth, but as the goal you do pass the 100km line that marks the edge of space, you will technically be in space, and also experience weightlessness. Hurrah!

The good news is that as of June 2023, commercial space flights have actually commenced. Trips are scheduled to go monthly, and you can now buy tickets for a voyage into space with Virgin Galactic. They are currently on sale for $450,000.

Admittedly, $450,000 USD isn’t exactly small change, but it’s a lot less expensive than the $20 million that previous space travellers have paid. For your money, you get three days of training at Spaceport America in New Mexico, a flight into space, a somewhat incredible view and a period of weightlessness. Not too bad.

2. Blue Origin

Owned by Amazon billionaire Jeff Bezos, Blue Origin is a private company which initially appeared to be focusing on sub-orbital flight, much like Virgin Galactic.

Unlike Virgin Galactic though, which uses a combination of a normal plane and a rocket plane to achieve the necessary space altitude, Blue Origin are using more conventional rocket technology, with a focus on re-usable components that cut the cost of launches.

Other than the spacecraft, the experience is largely the same – a sub-orbital flight that comprises a few days of training in Texas, a journey lasting around 11 minutes to up beyond the 100km line, weightlessness and some incredible views.

The technology to do this will look familiar to any fans of existing space flight technologies, including the capsule that returns to Earth by parachute, meaning that there are fewer technical hurdles to overcome.

As of 2021, flights have commenced on the New Shepherd, with Jeff Bezos being the first into space. The ticket for the first commercially available seat in the July 2021 launch was auctioned off for a cool $28 million.

Since that launch, there have been a number of flights with paying customers.

Regular pricing isn’t set, although it’s currently rumored to be around $1 million per seat. A timeframe for general availability of commercial flights isn’t yet known. You can sign up to be kept informed and updated however.

Perhaps even more excitingly than the New Shepherd program is its successor – the New Glenn program. This should offer longer duration, possibly even orbital flights, although details are currently sparse on the ground, with operations aimed to launch in late 2024. We do know however that priority on these trips will be given to New Shepherd customers.

Last in our trio of serious contenders for firms that will take your money and send you into space in the next few years is SpaceX .

SpaceX is owned by Elon Musk, who is particularly famous for being the CEO and co-founder of Tesla Inc, the electric car and battery manufacturer, amongst other things.

SpaceX largely focuses on commercial launch capabilities, with a particular focus on reusable rocket technologies that bring down the cost of putting payloads into orbit.

They’ve been hugely successful in this field, with multiple achievements, including being the first privately funded company to successfully launch, orbit and recover a spacecraft.

They were also the first private company to send a spacecraft to the International Space Station, and have since flown many missions to the ISS.

Whilst the majority of their work is on commercial and government contracts for putting things like satellites into orbit, some recent developments have put SpaceX firmly on the space tourism map.

First, in 2017 they announced that they had been contracted by two private individuals who want to go on a trip around the moon. This was originally due to launch in 2018, but has been postponed until at least 2024. It will be by far the most ambitious space tourism endeavor to date by any company, and you can read more about the project here .

SpaceX are also starting to sell tickets on their Crew Dragon capsule, which is the launch system NASA is using to shuttle astronauts to the ISS. These are not generally available, but a 3-day mission consisting entirely of tourists took place in 2021, with further missions expected. These are still priced in the tens of millions of dollars though, so don’t bank on these becoming affordable for a while to come.

Next, SpaceX is actively working on technology to colonise Mars, with a lofty goal of setting up a permanent colony on the red planet, home to over a million people, within the next 100 years.

Whilst the current estimate of cost for such a ride is in the region of $10 billion USD per person, SpaceX is aiming to bring that down to $100,000 through the development of their Interplanetary Transport System . This won’t happen in the near-term, but by the end of the century tourism to Mars might be a real possibility, with lunar and earth-orbital flights the norm by then.

4. Other Contenders

So those are the main players who, in my opinion, have the most realistic chances of taking you to space in the coming decade. But they aren’t the only players in the space tourism arena! Here are a few others to be aware of who might give you a chance of getting off Planet Earth.

Bigelow Aerospace: Bigelow Aerospace are actually a pretty major name when it comes to space technology, and if you ever happen to find yourself in a hotel on the moon or floating around the Earth, it’s likely going to be inside one of their inflatable habitats.

This isn’t theoretical either, they’ve got an inflatable capsule attached to the International Space Station already undergoing feasibility testing. Owner Robert Bigelow made his fortune in hotels, and he sees no reason why we can’t have them in space too.

Space Perspective: Space Perspective are taking a slightly different approach to everyone else, in that their route to space is to fly passengers 100,000ft above the ground in capsule carried aloft by a gigantic hydrogen filled balloon.

Ok, so 100,000ft isn’t exactly space, but it is high enough to see the curvature of the earth. It’s likely to be a more sedate and relaxed experience as well, compared to firing yourself into space on some sort of rocket at least. And whilst experiencing zero-gee isn’t going to be on the cards, you should be able to enjoy the views from the wraparound windows whilst enjoying a tipple from the on-board bar!

Tickets for 2024 flights have already sold out, but you can book for 2025 at a cost of $125,000 per person.

Boeing: Boeing are currently under contract with NASA to build a crew transport vehicle that would be compatible with a number of rocket systems, primarily for the purpose of shuttling astronauts to the ISS. It was originally due to start those flights in late 2018. However, testing did not start until late 2019, and the current timetable for crewed flights is now 2023.

As part of their contract, this CST-100 Starliner was specified to include one seat specifically for the purposes of space tourism , allowing one passenger to just tag along for the ride as it were. For a price, naturally. That price is currently unknown, although the original goal was to have it price competitive with the Russian Space Agency, so don’t expect it to come under the tens of millions mark!

Mars One: Mars One was an organisation with a goal of establishing a permanent human colony on Mars by the year 2035. Announced in 2012, it encouraged members of the public to sign up for the one-way mission, which resulted in over 200,000 applicants. That was whittled down to 100, and then a final 24 candidates.

Unfortunately, the project was dogged by criticism, particularly around the technical and financial feasibility of the plan. Finally, Mars One entered administration in 2019.

The Best Space Sights and Activities on Earth

Ok, so based on all the above, you’re probably realising that space is still a pretty tough place to get to right now, and even over the next few years it’s still going to be pretty darn expensive for a fairly brief jaunt.

Don’t fret though. Planet Earth is a pretty cool place, and there are a lot of space-related activities you can take part in without re-mortgaging your house and strapping yourself to a rocket.

Here are a few places you can learn about space and space travel in the meantime! Let’s look at these.

1. Active Spaceports

Whilst you might not get into space right now, you can still visit a spaceport and dream of the future! I’ve picked three spaceports for you to think about visiting.

Spaceport America, USA. Set in the high New Mexican desert, Spaceport America is the world’s first purpose-built commercial spaceport, meaning it’s designed for commercial users. Yes, people like you and me. It’s the home base of Virgin Galactic, and is where that company will be operating from when they finally launch their space tourism flights. SpaceX also conduct some of their testing here. Unfortunately, you still can’t board a space trip here, but it’s a worthwhile place to visit, if only to get a tantalising glimpse of a possible future.

Kennedy Space Center, USA. Found in Florida, Kennedy Space Center is the main launch pad for NASA’s operations, and is where Apollo and Space shuttle launches took place. It’s a massive facility, spanning 144,000 acres. There’s a visitor centre on site, where you can learn all about NASA and it’s space operations, see an actual space shuttle and even experience a simulated space shuttle launch. Kennedy Space Center is still very much an active launch site, and you can also come here to watch rockets blast off into space – see their website for the launch schedule .

Baikonur Cosmodrome, Kazakhstan. One of the world’s most famous spaceports, and certainly the oldest and largest, Baikonur Cosmodrome is where the majority of Russia’s space program has operated from, including the first man into space, Yuri Gagarin. It’s still very active, and you can in theory visit, however prices are steep for a one day tour ($700+), and can only be arranged via a specialist tour operator in a complex process that needs to be booked weeks in advance.

2. Space Museums

As well as active space ports, there are a lot of museums around the world dedicated to sharing man’s activities in space. Here are a few of the best.

Space Center Houston, USA. The official visitor centre for NASA’s center for human spaceflight activities, Space Center Houston is an excellent place to come and learn all about NASA’s efforts around getting people into space. It has a number of artifacts from our explorations to date, including a lunar module replica and various actual capsules that have been into space. Tip – if you’re visiting a few sights in Houston, you can save money by investing in a CityPASS card which will get you into the Space Center as well as a number of other attractions in the city.

New Mexico Museum of Space History, USA. Found in Alamogordo in southern New Mexico, the five storey New Mexico Museum of Space History is full of information about man’s efforts to get into space, with everything from information on early rocket technology through to more modern day exhibits including a space shuttle landing simulator. It’s also home to the International Hall of Space Fame, a planetarium, and offers fantastic views across the White Sands National Monument.

Smithsonian National Air and Space Museum , USA . Found in Washington, D.C., this enormous museum is home to the world’s largest collection of historic aircraft and spacecraft in the world, including the Apollo 11 module and clothing worn by astronauts. With over 60,000 objects on display, you won’t run out of things to look at!

The National Space Centre, UK. Both a museum and an educational resource, the National Space Center in Leicester, UK, is home to six interactive galleries and the UK’s largest planetarium. A highlight though is the 42 metre high Rocket Tower , which houses a number of upright rockets, really giving you a feel for the enormity of these machines.

The U.S. Space and Rocket Center. Found in Huntsville, Alabama, right next door to NASA Marshall. The U.S. Space and Rocket Center has loads of information on the history of space flight, including two full size Saturn V rockets! This is also where you can attend Space Camp , a hands-on multi day training program for all ages, which will take you through a range of training similar to that which real astronauts do!

3. Space Themed Sights

We may be currently fairly stuck on the planet, but that doesn’t mean we’re not still hurtling through space, a small rock in a vast galaxy. Here are a few ways to help remind ourselves that there’s more out there than our horizon.

Meteor Craters. On our journey through space we regularly bump into errant lumps of space debris – around 100 tons a day in fact. Most often these lumps are so small (dust-specks really) that they just burn up in our atmosphere, creating beautiful shooting stars. However, anything larger than a marble has a chance of making to earth, although there are a lot of factors at work.

According to NASA , it’s the lumps that are around the size of a football field and up that make the most impact, and one of these hits us every couple of thousand of years. They can cause significant damage and leave a lasting impact. Two worth mentioning that you can visit are the aptly named “ Meteor Crater ” in Arizona, USA, and the Wolfe Creek Meteorite Crater in Western Australia. Both of these are around a kilometre in diameter, meaning you can see the whole structure with the naked eye and really get a feel for the force required to create such a hole. Of course you can also find smaller ones all over the world.

Star Gazing. You might not be able to get to the stars, but that doesn’t mean you can’t appreciate them. I always find that just lying back and staring into the vastness of space from a really dark location is a very powerful experience. You need to be somewhere far away from light pollution to get the best views of the night sky – there are dark sky preserves (and even festivals !) where you can get a great view, otherwise, head as far away from the lights as you can and just look up.

4. Giant Telescopes

How about if you can’t get into space, you try just looking at it through a really big magnifying glass and pretend you’re there? It might be as close as you can currently get to space for free, whilst also being wowed by humanities technological accomplishments. Below are four locations around the world where you can learn all about the art of looking into space. Of course, there are many more sites around the world and you can find a list of some of the major telescopes here although not all can be visited by the public.

The Very Large Array, USA. Far out in the New Mexico wilderness, the Very Large Array is one of the world’s largest and most impressive radio telescopes. Unlike an optical telescope, which look at visible light waves, a radio telescope looks at radio waves, and from that we can learn all sorts of things from how black holes are formed through to the creation of the universe itself. These radio waves require a very large telescope, which is why the VLA is actually made up of 27 dishes, which work together to capture radio waves. There’s a small visitor centre and self-guided walking trail, and there are guided tours on the first Saturday of the month. See the official website for more details.

Jodrell Bank, UK. If you’re in the UK , then a trip to Jodrell Bank is a good option for viewing impressively large radio telescopes. In fact, Jodrell Bank is home to the world’s third largest steerable radio telescope, as well as a number of other active telescopes. There’s a visitor centre where you can learn all about the telescopes, and all sorts of other space-related things.

The Very Large Telescope, Chile. Way up high in the mountains of Chile is the world’s most advanced visible-light astronomical observatory – the aptly named “ Very Large Telescope ”. Operated by the European Southern Observatory, this is the most impressive optical instrument in the world to date, consisting of four main mirrors that are over eight meters in diameter, as well as four 1.8m diameter mirrors. These work together to create a final image, and the telescope is powerful enough that it would be able to make out a cars headlights on the moon. It’s fairly remote, what with it being on a mountain top in Chile, but you can visit – check here for more information on tours.

Green Bank Observatory, USA – At time of writing, Green Bank Observatory is home to the worlds largest steerable radio telescope, the Green Bank Telescope. Constructed in 2001, it’s one of the newest US telescopes, and with a total collecting area of 2.3 acres, is certainly impressive to behold. You can take a tour of the observatory, and there are also weekly and monthly events at the site.

5. Extra-terrestrial spots

If you’re really desperate to get off planet, you might want to frequent a location which has a history of extra-terrestrial activity such as UFO sightings. Whilst E.T. is yet to make formal contact, who knows, you might get lucky and have the chance to hop on a passing spaceship!

  Roswell, USA. If you want to learn about aliens, then the town of Roswell in New Mexico has definitely got to be on your list. It became famous as the alleged site of a huge government cover-up of a supposed alien spaceship crash at a nearby ranch property, and the town has since embraced it’s position as the world’s most famous UFO hotspot. There are a number of alien themed attractions here – we’d recommend visiting the Roswell UFO museum as a good starting point.

El Enladrillado, Chile. Central Chile is well known as a UFO spotting hotzone. So much so in fact, that the country’s national tourism board established a UFO trail, a 30km long designated trail in the Andes mountains that centres around the town of San Clemente. This is definitely a good place to come to spot UFO’s, although the national tourism authority is keen to stress that a sighting isn’t guaranteed.

Nullabor Plain, Australia. When I was travelling in Australia, I had a memorable evening out in the outback on the vast Nullabor Plain with a chap who was convinced he was regularly visited by aliens. He might have been on to something of course, with this region of Australia being particularly famous for UFO sightings. And if you don’t see a UFO, fear not, the star gazing here is pretty epic too!

HR Giger Museum, Switzerland. If you prefer your aliens of the fantastical science fiction type, then a visit to the HR Giger museum in Gruyères, Switzerland, should definitely be on your list. It’s home a large collection of works by Swiss artists HR Giger, who famously created the monsters from the sci-fi classic horror movie Alien (and its sequels). Definitely one for the sci-fi fans.

Further Reading for your Space Trip

Well, that was a lot about space. Hopefully you’ve learnt a bit about your options for getting into space as a tourist, as well as some slightly more cost-effective ways to get your space fix on! Here are a few resources that you might find useful.

• Our favourite sights along the New Mexico Space Trail , USA. Plus a guide to attending the Albuquerque International Balloon Fiesta if you’re in New Mexico.
• Our guide to visiting Jasper National Park for their annual Dark Sky Festival
• A guide to attending Space Camp USA , as well as visiting the U.S Space and Rocket Center
• Official websites for Virgin Galactic , Blue Origin and SpaceX , for when you’ve saved up enough for that ticket to space
• The NASA Instagram feed , for mind blowing space images
• John Glenn’s memoir, to give you an insight into what it was like to be the first American to orbit the earth.
• Chris Hadfield’s book “ An Astronaut’s Guide to Life on Earth ”, helping you understand how to make the impossible a reality, which seems like a good place to end this post!

Well, that was a lot to write about space travel and space tourism! We’re not quite there yet, but with the pace of developments I see no reason why, in the coming years and decades, that I won’t finally be able to realise my dream of heading up into space for real. Let me know in the comments if heading into space is a dream of yours!

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Lynn Magnuson says

17th February 2024 at 8:16 am

Traveling into space is something I’ve wanted to do ever since I was a child. I remember sitting in class and I think it was the third grade and watching Alan Shepard blast off. I knew at that point that someday I wanted to do the same thing. It hasn’t happened yet, but as time goes by the chance to do so, becomes more and more a possibility. I hope someday I do get the chance.

I love your article. Very well written and very informative. Keep up the great writing. That’s another thing I share a passion for. Writing

Laurence Norah says

20th February 2024 at 1:45 am

I’m right there with you! I really hope you get the chance to get into space some day soon. It’s definitely getting closer as a possibility 🙂

Safe travels, be they earthbound or not!

roshmand says

2nd July 2023 at 6:57 pm

amazing poat. thanks

4th July 2023 at 9:39 am

thank you very much 🙂

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Everything you need to know about space tourism

Posted: May 9, 2024 | Last updated: May 9, 2024

Between floating in weightlessness, witnessing 16 sunrises a day and gazing into the infinite void, space travel sure sounds like an out-of-this-world experience. And now, it’s no longer a thing of the future.

That’s right, soon interstellar awe will be open to (almost) anyone, as billionaires Richard Branson, Jeff Bezos, and Elon Musk are pushing the space tourism industry to a higher orbit.

What is space tourism?

Well, it’s almost like regular tourism: travel for recreational and leisure purposes… but in outer space. Some organizations like the Commercial Spaceflight Federation and the Citizens in Space project prefer to use the terms “personal spaceflight” or “citizen space exploration,” though.

In a nutshell, it’s space travel for non-astronauts.

Who can travel to space?

Anyone ! Well, that is, anyone with enough money. No need to have any previous science qualifications or NASA training, especially since a trained crew will escort tourists on their galactic journey.

According to Virgin Galactic, future space tourists will be between 10 and 90 years old, and come from diverse professional and cultural backgrounds.

The only thing you need? The desire to explore the universe!

What is orbital travel?

The main difference between orbital and suborbital flights lies in the trajectory and speed of the vessels.

To go into orbit, a rocket or spaceship needs to follow a path that goes around the Earth at the very fast minimum speed of 7.7 kilometres (4.8 miles) per second, in order to keep circling and never fall back down.

It allows astronauts and travellers to stay in space for extended periods of time, hence it is for now the preferred type of flight.

What is suborbital travel?

A suborbital flight , which is what Branson and Bezos did, “just” requires enough energy to blast off to space and then naturally fall back to Earth, making a huge arc.

It requires less energy and is less costly than orbital flights, thus opening doors for relatively affordable space tourism in the future.

Passengers would experience up to six minutes of weightlessness and a grandiose view.

How do you prepare?

Although Virgin Galactic doesn’t explicitly list its physical requirements, they did say astronauts would have to pass certain medical checkups and training programs. Blue Origin, on the other hand, has said that training for suborbital trips will only take a day.

And of course, any space tourist will also have to pass a series of thorough tests to determine whether they’re fit to fly up there.

Once in space, you may have to perform small bouts of exercise to prevent muscle wasting , which takes place after just seven days.

What is lunar tourism?

As its name hints, lunar tourism is the project of sending paying travellers to the moon. The first one could happen as soon as 2023, and would consist of a loop flight.

But three types of lunar tourism could be available in the near future: circumlunar trajectory, lunar orbit, and even lunar landing.

How cool would it be to say to someone, upon returning from a lunar vacation, “I’ve literally loved you to the moon and back”?

Where does space tourism take place?

Admittedly, space is a vast place. So where exactly would tourists go ?

First, any space travel begins with the Kármán line , which lies at 100 kilometres (62 miles) above sea level and is commonly accepted as the limit between Earth’s atmosphere and outer space.

Then, there are several options: orbital, suborbital, and lunar space tourism.

Have touristic space travels already occurred?

Yes! From 2001 to 2009, the Russian space agency and the U.S.-based space tourism company Space Adventures took seven (very wealthy) members of the public for several orbital space travels to the International Space Station.

The flights took place aboard the famous spacecraft Soyuz but stopped in 2010, since the crew of actual astronauts grew bigger and left no more seats available for paying space tourists.

Who were the first space tourists?

The American businessman Dennis Tito became officially the first space tourist in April 2001, when he stayed for seven days on the International Space Station.

He was followed by six multimillionaire fellows from various countries: South African entrepreneur Mark Shuttleworth, American scientist Gregory Olsen, Iranian engineer Anousheh Ansari (the first female space tourist), Hungarian-American computer programmer Charles Simonyi, British video game mogul Richard Garriott, and Canadian businessman Guy Laliberté.

On July 11, 2021, billionaire Richard Branson, along with three Virgin Galactic employees and two pilots, reached an altitude of 85 kilometres (53 miles) above Earth aboard his Virgin Galactic rocket plane, the Unity. Less than 10 days later, on July 20, the world’s richest man, Amazon’s Jeff Bezos, briefly entered space on Blue Origin , his private space company’s reusable rocket. He was joined by his younger brother Mark, Dutch teenager Oliver Daemen, and Wally Funk, who, at 82 years old, became the oldest astronaut.

Who would be the space tourism “agencies”?

Unlike past tourism experiments, which took place aboard vessels sent off for scientific purposes, future travels will happen on private companies’ flights set up solely for space tourism.

Those pioneering aerospace companies are Richard Branson’s Virgin Galactic ; SpaceX, founded by Tesla co-founder Elon Musk ; and Blue Origin , created by Amazon founder Jeff Bezos.

When will space tourism happen?

Sooner than you think. According to Forbes , Virgin Galactic’s successful trip means the company could start sending civilians up into space as soon as early 2022. Likewise, Blue Origin, which has a Federal Aviation Administration licence for human space travel through August 2021, could officially enter the space tourism game by early 2022.

How much will it cost?

It’s not exactly clear at the moment, but there have been some indications. For example, Virgin Galactic began selling ticket reservations for US$250,000 and sold roughly 600, before a test crash in 2014 brought sales to a halt. They’re expected to start selling tickets again in 2022, but at a much higher price.

It was reported in 2018 that seats on Bezos’s Blue Origin would also cost in the ballpark of US$200,000 to US$300,000, but that could change given how high demand is. At a recent auction, the winning bid for a seat aboard the company’s first spaceflight was a whopping US$28 million .

The bottom line is, those hoping to take a trip around the stars will either need to know someone or have hundreds of thousands (likely even millions) of dollars to spare.

How do we get there?

The development of space tourism vehicles is still an ongoing project.

But a few options already exist, like Virgin Galactic’s spaceplanes that can carry up to eight people, or SpaceX’s Dragon spacecraft , launched by the Falcon Heavy rocket.

Blue Origin’s New Shepard looks more like a regular rocket that takes off and lands vertically, but also claims to offer the biggest windows of any spacecraft—a good selling point. It comfortably sits six people and is fully autonomous, meaning no pilot onboard.

What does it feel like?

Needless to say, travelling to space is no walk in the park.

You’re eager to experience the joys of floating in microgravity? You better also get prepared to endure several physical discomforts: nausea and sea sickness, dizziness, headache, disorientation, puffy face, and bloodshot eyes.

But astronauts and previous space tourists agree that the body adjusts fairly quickly, getting used to its spatial environment in about three days.

Is it safe?

Safety is a reasonable concern , considering the many hazards involved in space travel: the probability of a crash, exposure to cosmic radiation, and even unknown dangers that could emerge with this new industry. But here is the real question for any adventurer: is the thrill worth the risk?

What is the food like?

For many tourists, food is a crucial criterion for a successful vacation. But outer space is no place for gourmets, at least not yet. Interstellar tourists can expect to enjoy mostly canned, modified, and pre-packaged meals (such as space burritos and freeze-dried ice cream). But soon, thanks to NASA’s veggie farm , space tourists might be able to savour space-grown salads.

What about the accommodations?

Orbital space travel allows you to stay up there for a few days or even weeks. At that point, you might want to stretch your legs outside of the spacecraft, right? Well, in the future, space stations could be used as hotels: the Genesis inflatable habitats by Bigelow Aerospace and the Space Island Project are existing examples. Make sure to book a room with a view of planet Earth!

How to pack a space suitcase?

Packing a suitcase for a trip through the cosmos is actually less of a headache than doing so for a weekend vacation on Earth. Just keep in mind that it’s impossible to do laundry in space, so pack clothes accordingly : stock up on underwear, light clothing (space station temperature is controlled at about 22 degrees Celsius, or 72 degrees Fahrenheit), and exercise outfits. Outerwear will be provided: an orange suit for takeoff and re-entry, and a white one for potential space strolls.

Is it eco-friendly?

With ecotourism being a growing trend and concern over the last few years, the question is legitimate. Well, bad news: space travel could have a negative impact by accelerating global warming . This would be caused by the black carbon released into the stratosphere after suborbital launches. But of course, entrepreneurs in the industry claim that the carbon footprint of space tourism would be minimal. The truth is, rockets emit 50 to 100 times more CO₂ per passenger than a regular flight. Considering that Virgin Galactic plans to do 400 trips per year, that’s a lot of CO₂ entering the atmosphere.

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How to travel to space, Earth’s hottest new destination

Go boldly, but pack lightly

The space just above our planet is booming . Off-world trips are rapidly increasing: 42 of the 51 commercial astronauts recognized by the Federal Aviation Administration left Earth within the past two years.

The FAA predicts their ranks will balloon in the next decade — which may also bring new destinations, such as a rotating space hotel whose construction, planners claim, will begin in 2026 — and some experts have expressed optimism that relatively affordable space travel could be possible by the middle of this century.

For now, though, costs remain enormous. A $450,000 ticket reserves a spot on Virgin Galactic’s space plane, which flies 50 miles above Earth — six times a passenger plane’s cruising altitude. Expect to pay even more to go higher. Blue Origin’s 11-minute journey by rocket, which reportedly cost more than $1 million, shoots above the 62-miles-high Kármán line, the generally agreed-upon boundary between Earth and space. Others spend days in space. In September 2021, four civilian Americans orbited for three days aboard a SpaceX Dragon capsule. No word on how much it cost them.

For $55 million , Axiom Space will send astronauts via a SpaceX rocket to the International Space Station, a laboratory that circles Earth once every 90 minutes. For two weeks last April, the ISS’s first Axiom crew members worked in the lab while forgoing proper showers.

The New Space Age

Space “ought to be on everybody’s bucket list,” said former NASA astronaut Michael López-Alegría , the Axiom Space vice president who commanded the April mission. “We’d be the first to admit that it’s not quite democratic yet, because it’s still pretty expensive, but we’ll get there.” The Houston-based company has already begun to build a segment of what will be a private space station.

Here’s how to pack and prep for Earth’s hottest new destination.

Getting ready

Training takes days to months. Axiom Space crew members spent at least 700 hours learning new tasks: how to run experiments, dock a transport vehicle to the ISS and respond to fires.

They also practiced on a centrifuge, the rapidly spinning machine that simulates the extreme acceleration of space travel. You don’t need to be in tiptop shape — floating in microgravity is effortless, López-Alegría said — but you will have to endure intense G-force as you exit and reenter the atmosphere.

You should be mentally prepared for a unique psychological experience called the overview effect , which occurs when people witness their home planet from above. “When we came back to Earth, I could not stop crying,” said aerospace PhD student Sara Sabry, founder of the Deep Space Initiative , who traveled to space last August via Blue Origin (whose founder, Jeff Bezos, owns The Washington Post).

Aboard SpaceX, you’ll wear spacesuits: sleek, pressurized white outfits with black-visored helmets. On Virgin Galactic and Blue Origin flights, the fit is closer to a jet pilot’s, with gear that’s not designed for loss of pressure. Sabry said her suit was comfy and custom-tailored. Under Armour makes the clothes — underwear, jumpsuit and zip-up boots — for Virgin Galactic, which founder Richard Branson wore in his July 2021 journey to space’s edge.

Going boldly, packing lightly

Space may be the one place you can fly without packing an ID or passport . “When we walk onto the vehicle, we’re wearing our spacesuits and pretty much nothing else,” López-Alegría said.

Expect to leave the rest of your worldly possessions on Earth, with a few exceptions. Sabry packed three pounds of mementos in a bag, including photographs and a single dirty sock belonging to her niece. On Inspiration4, the Earth-orbiting SpaceX mission, one astronaut brought his ukulele to serenade his teammates in the capsule.

Snapping selfies

Don’t plan on filling your Instagram feed with your space travels to make your friends jealous. You won’t have your phone.

On Sabry’s Blue Origin flight, a few people had a GoPro strapped to their wrists to capture video — especially of the three minutes of weightlessness.

The ISS provides cameras to use. Astronauts can browse the internet on the space station, but posting requires help. Pictures snapped in space are beamed to Earth, López-Alegría said, where someone on the ground uploads them to social media.

Eating and drinking

There wasn’t any snacking on the Blue Origin craft, Sabry said, and the up-and-down trips don’t leave time for in-flight meals. Hot food isn’t always an option with other carriers, either. The first course served on the orbiting Dragon capsule was cold pizza, though SpaceX founder Elon Musk apologized for the unheated pie and promised future astronauts would have a food warmer.

Why NASA and other space agencies want to return to the moon

That’s how the crew heats dinner on the ISS, which boasts a varied menu: about 200 options , mostly freeze-dried or thermostabilized. Tortillas replace bread to avoid crumbs; what’s just a tabletop mess on Earth becomes a hazard when bits can float into electronics or eyeballs. There’s no soda or beer because, according to NASA, carbonation bubbles would be unpleasantly routed through the digestive system without gravity to help an astronaut burp.

Staying clean-ish

Space is like backcountry camping. Both lack laundry machines and require some hygienic compromises. When astronauts must bathe, they squeeze packets of soap and water on their skin and apply rinseless shampoo to their hair. Toilets on the ISS and Dragon Capsule collect waste via suction hoses and fans. On the space station, urine is recycled into drinkable water . Toothbrushes and paste are the same, but without sinks, there’s no spitting.

Falling asleep

You’ll roll out sleeping bags in the SpaceX spacecraft or as an Axiom crew member on the ISS. Vehicles are temperature-regulated because the outside of the ISS can swing from minus-250 in the shadows to 250 degrees in the sun. Still, some modules, or sections, of the ISS can be chillier than others: López-Alegría said he donned long underwear to be cozier when drifting off in space.

Illustrations by Elizabeth von Oehsen. Editing by Amanda Finnegan.

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• astronautics
• biosatellite
• escape velocity
• rocket science
• rocket scientist
• space capsule
• space probe
• space shuttle
• space tourist

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Even short trips to space can change an astronaut’s biology − a new set of studies offers the most comprehensive look at spaceflight health since NASA’s Twins Study

Professor of Radiation Cancer Biology and Oncology, Colorado State University

Disclosure statement

Susan Bailey receives funding from NASA.

Colorado State University provides funding as a member of The Conversation US.

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Only about 600 people have ever traveled to space. The vast majority of astronauts over the past six decades have been middle-aged men on short-duration missions of fewer than 20 days.

Today, with private, commercial and multinational spaceflight providers and flyers entering the market, we are witnessing a new era of human spaceflight. Missions have ranged from minutes, hours and days to months.

As humanity looks ahead to returning to the Moon over the coming decade, space exploration missions will be much longer, with many more space travelers and even space tourists. This also means that a wider diversity of people will experience the extreme environment of space – more women and people of different ethnicities, ages and health status.

Since people respond differently to the unique stressors and exposures of space, researchers in space health, like me, seek to better understand the human health effects of spaceflight. With such information, we can figure out how to help astronauts stay healthy both while they’re in space and once they return to Earth.

As part of the historic NASA Twins Study , in 2019, my colleagues and I published groundbreaking research on how one year on board the International Space Station affects the human body.

I am a radiation cancer biologist in Colorado State University’s Department of Environmental and Radiological Health Sciences. I’ve spent the past few years continuing to build on that earlier research in a series of papers recently published across the portfolio of Nature journals .

These papers are part of the Space Omics and Medical Atlas package of manuscripts , data, protocols and repositories that represent the largest collection ever assembled for aerospace medicine and space biology. Over 100 institutions from 25 countries contributed to the coordinated release of a wide range of spaceflight data.

The NASA Twins Study

NASA’s Twins Study seized on a unique research opportunity.

NASA selected astronaut Scott Kelly for the agency’s first one-year mission, during which he spent a year on board the International Space Station from 2015 into 2016. Over the same time period, his identical twin brother, Mark Kelly, a former astronaut and current U.S. senator representing Arizona, remained on Earth.

My team and I examined blood samples collected from the twin in space and his genetically matched twin back on Earth before, during and after spaceflight. We found that Scott’s telomeres – the protective caps at the ends of chromosomes, much like the plastic tip that keeps a shoelace from fraying – lengthened, quite unexpectedly, during his year in space.

When Scott returned to Earth, however, his telomeres quickly shortened. Over the following months, his telomeres recovered but were still shorter after his journey than they had been before he went to space.

As you get older, your telomeres shorten because of a variety of factors, including stress. The length of your telomeres can serve as a biological indicator of your risk for developing age-related conditions such as dementia, cardiovascular disease and cancer.

In a separate study , my team studied a cohort of 10 astronauts on six-month missions on board the International Space Station. We also had a control group of age- and sex-matched participants who stayed on the ground.

We measured telomere length before, during and after spaceflight and again found that telomeres were longer during spaceflight and then shortened upon return to Earth. Overall, the astronauts had many more short telomeres after spaceflight than they had before.

One of the other Twins Study investigators, Christopher Mason , and I conducted another telomere study – this time with twin high-altitude mountain climbers – a somewhat similar extreme environment on Earth.

We found that while climbing Mount Everest, the climbers’ telomeres were longer, and after they descended, their telomeres shortened. Their twins who remained at low altitude didn’t experience the same changes in telomere length. These results indicate that it’s not the space station’s microgravity that led to the telomere length changes we observed in the astronauts – other culprits, such as increased radiation exposure, are more likely.

Civilians in space

In our latest study , we studied telomeres from the crew on board SpaceX’s 2021 Inspiration4 mission. This mission had the first all-civilian crew, whose ages spanned four decades. All of the crew members’ telomeres lengthened during the mission, and three of the four astronauts also exhibited telomere shortening once they were back on Earth.

What’s particularly interesting about these findings is that the Inspiration4 mission lasted only three days. So, not only do scientists now have consistent and reproducible data on telomeres’ response to spaceflight, but we also know it happens quickly. These results suggest that even short trips, like a weekend getaway to space, will be associated with changes in telomere length.

Scientists still don’t totally understand the health impacts of such changes in telomere length. We’ll need more research to figure out how both long and short telomeres might affect an astronaut’s long-term health.

Telomeric RNA

In another paper , we showed that the Inspiration4 crew – as well as Scott Kelly and the high-altitude mountain climbers – exhibited increased levels of telomeric RNA, termed TERRA.

Telomeres consist of lots of repetitive DNA sequences. These are transcribed into TERRA, which contributes to telomere structure and helps them do their job.

Together with laboratory studies, these findings tell us that telomeres are being damaged during spaceflight. While there is still a lot we don’t know, we do know that telomeres are especially sensitive to oxidative stress . So, the chronic oxidative damage that astronauts experience when exposed to space radiation around the clock likely contributes to the telomeric responses we observe.

We also wrote a review article with a more futuristic perspective of how better understanding telomeres and aging might begin to inform the ability of humans to not only survive long-duration space travel but also to thrive and even colonize other planets. Doing so would require humans to reproduce in space and future generations to grow up in space. We don’t know if that’s even possible – yet.

Plant telomeres in space

My colleagues and I contributed other work to the Space Omics and Medical Atlas package, as well, including a paper published in Nature Communications . The study team, led by Texas A&M biologist Dorothy Shippen and Ohio University biologist Sarah Wyatt , found that, unlike people, plants flown in space did not have longer telomeres during their time on board the International Space Station.

The plants did, however, ramp up their production of telomerase , the enzyme that helps maintain telomere length.

As anyone who’s seen “ The Martian ” knows, plants will play an essential role in long-term human survival in space. This finding suggests that plants are perhaps more naturally suited to withstand the stressors of space than humans.

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A Major Paris Airport Strike Could Disrupt Travel to the Olympics

French airport workers are planning a 24-hour strike on july 17, nine days before the sporting event. , abby montanez, abby montanez's most recent stories, scientists are working on ‘dune’-inspired stillsuits that turn astronauts’ urine into drinking water.

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  If you’re heading to the 2024 Olympics Games in Paris , you may want to check in on your travel plans.

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During the one-day strike, which is set to kick off next Wednesday at 5 a.m., union members will ultimately decide whether they want to extend the walkout in the run-up to the Games. The dispute is unlikely to result in flight cancellations, however it could disrupt travel in and out of the capital by causing baggage and security delays. There’s no word on how the strike could impact the private-jet industry, though.

The Charles de Gaulle and Orly airports will be the main entry points for foreign visitors, which include spectators and athletes alike. The French newspaper Le Monde estimated that up to 350,000 people would be arriving in the city daily through its airports, with competitors expected to begin arriving on July 18 when the Olympic Village opens. To accommodate the athletes and their equipment, a temporary oversized baggage terminal at Paris CDG has been installed to handle everything from kayaks to vaulting poles and bikes. 

Previously, Air France -KLM announced it expects to lose hundreds of millions in revenue from June to August as more tourists opt to steer clear of Paris during the Olympics. The airline group noted a “significant avoidance” of the City of Light from both foreigners and residents, who are either postponing their vacation or proposing alternate travel plans. “Travel to and from France is expected to normalize after the Olympic Games, with encouraging demand levels projected for the end of August and the month of September,” the airline group said in a statement. 

Abigail Montanez is a staff writer at Robb Report. She has worked in both print and digital publishing for over half a decade, covering everything from real estate, entertainment, dining, travel to…

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The rise of space tourism could affect Earth's climate in unforeseen ways, scientists worry

Are the effects of rocket launches on the atmosphere really negligible?

Scientists worry that growing numbers of rocket flights and the rise of space tourism could harm Earth's atmosphere and contribute to climate change. 

When billionaires Richard Branson and Jeff Bezos soared into space this month aboard their companies' suborbital tourism vehicles, much of the world clapped in awe. 

But for some scientists, these milestones represented something other than just a technical accomplishment. Achieved after years of delays and despite significant setbacks , the flights marked the potential beginning of a long-awaited era that might see rockets fly through the so-far rather pristine upper layers of the atmosphere far more often than they do today. In the case of SpaceShipTwo, the vehicle operated by Branson's Virgin Galactic, these flights are powered by a hybrid engine that burns rubber and leaves behind a cloud of soot.

"Hybrid engines can use different types of fuels, but they always generate a lot of soot," said Filippo Maggi, associate professor of aerospace engineering at Politecnico di Milano, Italy, who researches rocket propulsion technologies and was part of a team that several years ago published an extensive analysis of hybrid rocket engine emissions. "These engines work like a candle, and their burning process creates conditions that are favorable for soot generation."

Related: Air pollution from reentering megaconstellation satellites could cause ozone hole 2.0

According to Dallas Kasaboski, principal analyst at the space consultancy Northern Sky Research, a single Virgin Galactic suborbital space tourism flight, lasting about an hour and a half, can generate as much pollution as a 10-hour trans-Atlantic flight. Some scientists consider that disconcerting, in light of Virgin Galactic’s ambitions to fly paying tourists to the edge of space several times a day.

"Even if the suborbital tourism market is launching at a fraction of the number of launches compared to the rest of the [tourism] industry, each of their flights has a much higher contribution, and that could be a problem," Kasaboski told Space.com.

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Virgin Galactic's rockets are, of course, not the only culprits. All rocket motors burning hydrocarbon fuels generate soot, Maggi said. Solid rocket engines, such as those used in the past in the boosters of NASA's space shuttle , burn metallic compounds and emit aluminum oxide particles together with hydrochloric acid, both of which have a damaging effect on the atmosphere.

The BE-3 engine that powers Blue Origin's New Shepard suborbital vehicle, on the other hand, combines liquid hydrogen and liquid oxygen to create thrust. The BE-3 is not a big polluter compared to other rocket engines, emitting mainly water along with some minor combustion products, experts say .

Too little is known

For Karen Rosenlof, senior scientist at the Chemical Sciences Laboratory at the U.S. National Oceanic and Atmospheric Administration (NOAA), the biggest problem is that rockets pollute the higher layers of the atmosphere — the stratosphere, which starts at an altitude of about 6.2 miles (10 kilometers), and the mesosphere, which goes upward from 31 miles (50 km). 

"You are emitting pollutants in places where you don't normally emit it," Rosenlof told Space.com. "We really need to understand. If we increase these things, what is the potential damage?"

So far, the impact of rocket launches on the atmosphere has been negligible, according to Martin Ross, an atmospheric scientist at the Aerospace Corporation who often works with Rosenlof. But that's simply because there have not been that many launches. 

"The amount of fuel currently burned by the space industry is less than 1% of the fuel burned by aviation," Ross told Space.com. "So there has not been a lot of research, and that makes sense. But things are changing in a way that suggests that we should learn about this in more detail."

Northern Sky Research predicts that the number of space tourism flights will skyrocket over the next decade, from maybe 10 a year in the near future to 360 a year by 2030, Kasaboski said. This estimate is still far below the growth rate that space tourism companies like Virgin Galactic and Blue Origin envision for themselves. 

"Demand for suborbital tourism is extremely high," Kasaboski said. "These companies virtually have customers waiting in a line, and therefore they want to scale up. Ultimately, they would want to fly multiple times a day, just like short-haul aircraft do."

The rate of rocket launches delivering satellites into orbit is expected to grow as well. But Kasaboski sees bigger potential for growth in space tourism. 

"It's like the difference between a cargo flight and a passenger flight," Kasaboski said. "There's a lot more passengers that are looking to fly."

The problem is, according to Ross, that the scientific community has no idea and not enough data to tell at what point rocket launches will start having a measurable effect on the planet's climate. At the same time, the stratosphere is already changing as the number of rocket launches sneakily grows.

"The impacts of these [rocket-generated] particles are not well understood even to an order of magnitude, the factor of 10," Ross said. "The uncertainty is large, and we need to narrow that down and predict how space might be impacting the atmosphere."

Space shuttle's ozone holes 

So far, the only direct measurements of the effects of rocket launches on chemical processes in the atmosphere come from the space shuttle era. In the 1990s, as the world was coming together to salvage the damaged ozone layer , NASA, NOAA and the U.S. Air Force put together a campaign that looked at the effects of the emissions from the space shuttle's solid fuel boosters on ozone in the stratosphere. 

"In the 1990s, there were significant concerns about chlorine from solid rocket motors," Ross said. "Chlorine is the bad guy to ozone in the stratosphere, and there were some models which suggested that ozone depletion from solid rocket motors would be very significant."

The scientists used NASA's WB 57 high-altitude aircraft to fly through the plumes generated by the space shuttle rockets in Florida. Reaching altitudes of up to 60,000 feet (19 km), they were able to measure the chemical reactions in the lower stratosphere just after the rockets' passage. 

"One of the fundamental questions was how much chlorine is being made in these solid rocket motors and in what form," David Fahey, the director of the Chemical Sciences Laboratory at NOAA, who led the study, told Space.com. "We measured it several times and then analyzed the results. At that time, there were not enough space shuttle launches to make a difference globally, but locally one could deplete the ozone layer due to this diffuse plume [left behind by the rocket]."

The space shuttle retired 10 years ago, but rockets generating ozone-damaging substances continue launching humans and satellites to space today. 

In fact, in 2018, in its latest Scientific Assessment of Ozone Depletion , which comes out every four years, the World Meteorological Organization included rockets as a potential future concern. The organization called for more research to be done as the number of launches is expected to increase.  

Worse than geoengineering 

Rosenlof's team studies the broader effects of human-made substances in the higher layers of the atmosphere using powerful NOAA supercomputers. The work is akin to predicting the proverbial butterfly effect, the influence of minuscule changes in the chemistry of the air tens of miles above Earth on climate and weather patterns on the ground. For her, black carbon, or soot, emitted by rockets burning hydrocarbon fuels, is of particular concern.

"The problem with soot is that it absorbs ultraviolet light, and that means that it could heat the stratosphere," Rosenlof said. "When you start heating the stratosphere, the layer above the troposphere [closest to the ground], you start changing the motion in the stratosphere. You are changing the energy transfer, and that could actually affect what is happening on the ground."

Rosenlof points out that many of the particles generated by some rockets have been of interest to scientists due to the possible effects they could have on the global climate in a different context — that of geoengineering , the deliberate tampering with the atmosphere with the aim of stopping or mitigating global warming. 

Rosenlof recently co-authored a paper that used the same powerful NOAA supercomputers to model what the scientists call a climate intervention. The team was interested in the climate effects of dispersing sulfur dioxide particles, which are known to reflect light away from Earth, in combination with soot (which is also part of rocket emissions) in the lower stratosphere. Soot absorbs energy from sunlight and pushes the sulfur dioxide aerosol particles to a higher altitude by warming up the surrounding air. At that higher altitude, the sulfur dioxide can start its climate-cooling work. The experiment modeled what would happen when 1.1 million tons of sunlight-reflecting sulfur dioxide mixed with 11,000 tons of black carbon were released in the upper troposphere by aircraft over a 10-day period. 

The study didn't find any significant negative effects on weather on Earth. Yet, those results do not dispel Rosenlof's concerns about the possible risks associated with the growing number of rocket launches. 

Altering the jet stream

"Black carbon in the geoengineering experiment that we did isn't as high as the stuff from these rockets," she said. "The problem is that the higher you go, the longer something lasts. Neither of them is ideal, because either of them would produce heating in places where we don't have heating right now."

According to Maggi, the soot particles generated by hybrid rocket engines are extremely small and light-weight. In fact, when he and his colleagues tried to measure the soot output of hybrid rocket engines in a laboratory, they couldn't reliably do it with precision because of the particles' minuscule size. 

"We were able to measure the particle output from solid rocket motors," Maggi said. "These are about a micron in size, and there [are] a lot of them. But because they are large, they fall to the ground more quickly. In hybrid rocket engines, we were not able to collect the soot from the plume because it's extremely fine, a few nanometres in size."

Maggi fears these particles could, in fact, stay in the stratosphere forever.

"They have the same size as the carbon emitted by aircrafts," Maggi said. "And we know that there is a layer of carbon in the atmosphere at the flight level of aircrafts which is staying there. It's very likely that particles coming from rocket motors will do the same."

The accumulation of these particles over years and decades is what worries the scientists. Just as the current climate crisis started relatively slowly as the amount of carbon released into the atmosphere grew, the pollution in the stratosphere may only start causing harm some years down the road.

Rosenlof added that in the long term, injecting pollutants into the stratosphere could alter the polar jet stream, change winter storm patterns or affect average rainfall. 

"You might go from 25 inches [64 centimeters] a year to 20 inches [51 cm] a year in some places, which maybe doesn't sound like that big of a deal unless you are a farmer trying to grow your wheat right there," Rosenlof said. "Then a subtle change in rainfall can impact your crop yields."

Work to be done 

For this reason, Fahey says, it is critical that scientific work starts now to evaluate the future risks. 

"There is this fundamental gap where we just don't have the numbers, and that means that the science is limited because we have this lack of information," he said. "We feel it is part of our responsibility [at NOAA] to assess the impact of human activity on the stratosphere. Rockets are a principal and unique source [of stratospheric pollution], the launch frequencies are increasing and the effects are accumulating."

Fahey envisions a wider research program that would analyze the emissions and impacts of individual types of rocket engines and fuels on the stratosphere. The data could be used in Rosenlof's models to better predict the effects in accordance with the expected growth of the number of launches. Fahey, however, says that a political decision would have to come first to provide NOAA and its partners with funding that would enable them to take the high-altitude aircraft to the sky again and gather the data. The good news is, he added, that the U.S. Congress seems to be aware of the problem and things might soon start to move. 

"We would like to see a national program run by NOAA or the Air Force that would develop a database with basic emission characteristics of modern propulsion systems based on observations," he said. "We could gather some data in ground tests but also in the same way that we did with the space shuttle — by flying through the plumes just after launch."

Follow Tereza Pultarova on Twitter @TerezaPultarova. Follow us on Twitter @Spacedotcom and on Facebook . 

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: [email protected].

Tereza is a London-based science and technology journalist, aspiring fiction writer and amateur gymnast. Originally from Prague, the Czech Republic, she spent the first seven years of her career working as a reporter, script-writer and presenter for various TV programmes of the Czech Public Service Television. She later took a career break to pursue further education and added a Master's in Science from the International Space University, France, to her Bachelor's in Journalism and Master's in Cultural Anthropology from Prague's Charles University. She worked as a reporter at the Engineering and Technology magazine, freelanced for a range of publications including Live Science, Space.com, Professional Engineering, Via Satellite and Space News and served as a maternity cover science editor at the European Space Agency.

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