One thing I didn't realize about Alan Shepard's original suborbital flight is that he experienced much higher G-forces on re-entry (11.5) than even astronauts coming back from the Moon (7), which explains why space tourism suborbital flights are just barely over the Kármán line
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The space toilet, 4 inches across, is also a rich field for space tourism schadenfreude. For the Shuttle, "NASA built a simulator with a video camera in the hole; those training used a crosshair to learn how to position their bodies while other astronauts watched and made jokes."
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According to John Young, NASA learned the hard way that the suction fan in the space toilet was underpowered on the first six-person Shuttle flight.
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This is fascinating. He had spent more time as a military pilot than any NASA astronaut, and still had the most space sickness everpic.twitter.com/82NdjnI5xa
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