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Once exposed to a vacuum, there would be maybe 10 seconds or so of useful consciousness.

After passing out, it would take a few minutes for vital tissues (brain & heart) to be irreversibly damaged from hypoxia.

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10y ago

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What happens if you go into space without a spacesuit?

If you go into space without a spacesuit, you would experience a rapid drop in pressure, causing your bodily fluids to boil and leading to decompression sickness. You would also be exposed to harmful levels of radiation and extreme temperatures, resulting in rapid hypothermia or hyperthermia. Ultimately, you would not survive for long due to the hostile conditions of space.


How long can a human survive on mars?

A human would not be able to survive on Mars without a spacesuit and life support systems. The lack of breathable air, extreme temperatures, and absence of liquid water make it inhospitable for human life.


How long can astronauts survive in space?

Astronauts can survive in space for a limited amount of time without protection due to the lack of oxygen and extreme temperatures. In the vacuum of space, they would quickly lose consciousness due to lack of oxygen, but the exact time frame can vary based on the individual. With the appropriate gear and protection, such as a spacesuit or spacecraft, astronauts can survive for extended periods of time in space.


How long does it take to put on a spacesuit?

It can take 2 hours to put on a space suit.


How long can a human survive in space?

Indefinitely. With food water and oxygen Edited: Without gravity the human body would soon loose function of their organs and muscles. Which includes heart, liver, lungs. Only a few months without gravity the human body starts experiencing these effects. NASA has a strict exercise regiment for astronauts to prolong the unwanted effects. With exercise a human can live in a contained area with food, water, and exercise for a few years.

Related Questions

How long can you survive in a spacesuit?

until your air runs out or forever


Can you get passed the moon without dying?

as long as you are wearing a spacesuit


How long can a person survive in space?

If a human being exposed to open space without spacesuit, due to pressure difference he cannot breathe & within minutes he will die.


What happens if you go into space without a spacesuit?

If you go into space without a spacesuit, you would experience a rapid drop in pressure, causing your bodily fluids to boil and leading to decompression sickness. You would also be exposed to harmful levels of radiation and extreme temperatures, resulting in rapid hypothermia or hyperthermia. Ultimately, you would not survive for long due to the hostile conditions of space.


how long do you survive without sleeping?

Not long


Would lions survive if you never gave them food for 1 day?

Of coarse they would, we humans can survive weeks without food as long as there is an intake of water.


How long can someone survive without energy?

You need energy to survive, so you cannot survive without energy.


How much time would a person survive on mars for?

Not long with oxygen, about two seconds without it.


How long could you be on mercury the planet with a spacesuit?

It would depend on the occasion...is it a wedding, a football match or a barbeque?


Can you eat your own limbs to survive starvation?

It theory, it is possible. But would you want to? Most people can survive a long time without food, but a much shorter time without water.


What trait would be selected naturally for a plant to survive in the desert?

The ability to store water and the ability to survive long time without getting water.


How long would you survive on venus?

Without any form of protection about 30 seconds of pure agony.