The walls of the space station are very thin, which is pretty surprising. When we shut our eyes at night up on space station, you can see what actually looks like a shooting star go by your eyes if you get hit by a piece of radiation. It's not totally clear how this happens, but one theory is that these particles could be hitting astronauts retinas and making their rods and cones fire.
NASA just launched the Artemis program, a series of missions that will eventually take humans back to the moon, and beyond. But can humans actually survive in space long-term?
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