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OpenStudy (anonymous):
why does a spacecraft have to be airtight?
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OpenStudy (shadeyghost):
so the oxygen tanks inside of it don't leak out, and so the vacuum doesn't suck out the air and suffocate the astronaughts
OpenStudy (anonymous):
ohh okay thanks!!!
OpenStudy (zairahernandez):
A spacecraft should be airtight because space is a vacuum, and a non-airtight spacecraft would vent atmosphere, making it impossible to breathe in the spacecraft.
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