Depending on where you are in space, this will take 12-26 hours, but if you're close to a star, you'll be burnt to a crisp instead. How long can humans live in space and what is the worst case scenario for someone who lives too long in space? Radiation exposure can result in cell death or cause mutations resulting in cancers or epigenetic effects. We both monitor the exposure of each crew member for individual missions and maintain a total career tally. if (typeof siteads.queue !== 'undefined') { This might provide some protection against temperatures in space that can run from minus-200 to 200 degrees Fahrenheit. In reality, however, animal experiments and human accidents have shown that people can likely survive exposure to vacuum conditions for at least a couple of minutes. We really do take for granted how much our planet protects us from it. Either way, your body will remain that way for a long time. In addition, the European Space Agency has also been investigating human hibernation, and a possible way to enable long-duration spaceflight. Find out how long a person would realistically have in a situation like this, and why oxygen deprivation is only half the problem. What would happen if you went to space without a spacesuit? Why are astronauts always wearing those bulky suits? }. The longest contiguous amount of time a human has spent in space … There may be astronauts who can tolerate higher accelerations (and indeed, there have been tests subjecting humans to a week-long 1.5G regimen), but you don't want to stress cardiovascular system without need. Enter your email below. We would need to blast off from Mars. How long can humans live in space and what is the worst case scenario for someone who lives too long in space. That includes our heart (which shrinks a little), the muscles in our neck that hold up our heads, and our calves. We don't know the answer to that. ... even they still were only days long. Systems throughout our body have specifically evolved to function under the stresses of gravity. Account active If the space vehicle spins while in orbit, it would simulate gravity, allowing for proper human development. Bone tissue is still absorbed, but it doesn’t rebuild itself like it would on Earth. Now you can get the top stories from Gizmodo delivered to your inbox. "Sometime … originally appeared on Quora: “Ask a question, get a great answer. We don't know the answer to that. The answer, straight from NASA. There are a lot of misconceptions about what happens to the human body in space. Theoretically it would be possible for us to live in space for much longer provided we developed a spacecraft with all the provisions to support life. The record for the longest single spaceflight is 437 days and 18 hours. 90 seconds after exposure, you'll die from asphyxiation. Sergei Krikalev, over six flights, has spent 803 days in space. This answer has been lightly edited for grammar and clarity. How long can humans live? Oxygen in the rest of your body will also expand. Because our muscles are constantly working against gravity on Earth, those muscles have a lot less work to do in space. The longest contiguous amount of time a human has spent in space is 437 days. That was done by Valeri Polyakov, almost 20 years ago. When an energetic particle hits the shielding material it can emit gamma rays and energetic neutrons. Since our bones don’t experience the same loads they do on the ground, they feel no need to maintain themselves. But every crew that resides on the International Space Station provides us information that we use to adjust our protocols and extends that period of time. Today, we are finally poised to send people out into the cosmos. Any exposed liquid on your body will begin to vaporize. Without air in your lungs, blood will stop sending oxygen to your brain. Well, evidently, NASA has an answer, and it’s been circulating all over the web this week. Either way, space is physically tough on humans. If you *don't* try to hold your breath, exposure to space for half a One outline for space colonization published by NASA proposes that average people, not just specially-trained astronauts, could one day live on rotating spacecraft that orbit the Earth [source: NASA Space Settlements]. We know that humans aren’t naturally built to live among the stars, but is it possible … That… How long can humans live in space and what is the worst case scenario for someone who lives too long in space? originally appeared on Quora: “Ask a question, get a great answer. When they hit the allowed threshold, they can be prohibited from flying ever again. You could be floating in space, unchanged, for millions of years. siteads.queue.push( {"site":"gizmodo","pagetype":"article","ad_type":"article","sec":"online","amp":false,"ctype":"article","article":"how long humans can live in spaceand what happens if we stay too long","article-tags":["astronauts","biology","hypotheticals","physics","quora","republished","space","space travel"],"native":["null"],"aggregate":["astronauts","biology","hypotheticals","physics","quora","republished","space","space travel"],"pageID":["null"],"sub-sec":"","cat":"online","cat1":"","ad_location":"out-of-page-mobile","provider":"google-dfp","element_id":"ad-slot_out-of-page-mobile_section-index-1"} ); Would boil, but you will still technically be alive millions of years the ground, will! Will still technically be alive ground, they will start to eat you from deleterious. Space, astronauts live in a very small space you 'll die from asphyxiation other. 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