Questions tagged [humans]

Questions relating to human physiology, as it affects capabilities in space.

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What is the probability that a deep space crew is hit by a Solar proton storm?

The Sun's magnetic field now and then accelerates a gigantic amount of high velocity protons in different directions. Regardless of the types and causes, let's call it "proton storm" when it is ...
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Outer space and dark-adapted vision

Does being in outer space, without the glare of the Sun, have any impact on human vision? Is dark-adapted vision improved when astronauts are orbiting the Earth and in its shadow?