Los astronauts They not only have to be in optimal physical conditions, know regarding space and have knowledge in other areas of science, but also They must have control over their thoughts for don’t get to make a mistake in space that I can take life.
It is known that taking off the space suit might be an imminent death, which is why no one has done it in the history of the human being in space. But there are several scenarios that might be produced by this fact.
The first is to die of a anoxia, since when removing the air and his helmet, the lungs would run out of air in just 15 secondsthat for being so fast It would rip his lungs.
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Another thing that can happen is that are cbody swells so much from the lack of pressure, generating blood gases which would lead to a failure cardiopulmonary
As to whether his body would burn or freeze in space, there are both scenarios, since If you are close to a star, your body might be burned by the ultraviolet light that this star emanates. and the other is stay frozen if you are in an area where there is no celestial body give off heat.