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What does every space suit have?

Updated: 8/18/2019
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13y ago

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Well, they all need to be airtight, pretty much, and insulated, and tough enough so they don't spring a leak from normal wear. They need a restraint layer (mesh) to keep from bulging. They need constant-volume joints so that you can bend your limbs. Without them, the suit "starfishes" and you can't move. The first Russian spacewalker apparently didn't have this. His suit starfished and he had to dump his air pressure to make the suit flex enough to get back inside! They need to be white, not to pick up heat from the Sun. In use, they need some form of cooling (the PLSS backpacks on the Apollo astronauts had a sort of "swamp cooler" inside!) and a way for O2 to enter and CO2 to leave. if you are at all interested, you might like Robert Heinlein's "Have Spacesuit, Will Travel" which is about a guy who wins an old spacesuit in a contest, and fixes it up to work again (like fixing up an old car).

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13y ago
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Q: What does every space suit have?
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