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-- You take a strong metal tank with you, full of compressed air.

-- You attach a regulator to the tank's faucet, which only lets the air out at a low pressure ... near the normal pressure of air on Earth.

-- You put an air-tight mask over your face, and connect a hose between the tank and the mask.

So far, it's almost exactly like how a Scuba diver breathes. But in space, you

need one more step before it works:

-- Make an airtight suit that fits over your whole body and fill it with air or

oxygen, at a pressure that's near the normal pressure of air on Earth.

There is no air in space. The only way you could breathe is if you had an air supply.

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8y ago

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