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One of the classic astronaut stories was they did not know how the body would react to zero G and were afraid the eyeball would go out of shape, or the heart would go nuts and other silly things. They really wondered about dedication, and worried that without the gravity assist humans would have no way to go. So they went up on the vomit comet, into a parabolic decent and it simulates weightlessness perfectly. I think they had John Young as the test subject, and handed him a paper bag, and said try that.
He crapped in a bag for them and the docs were satisfied it was no issue. Those astronauts when through hell from the doctors.
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Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
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