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That's microgravity, or what other people call "zero gravity." We honestly don't know how much gravity people need to survive. Your talk of people's chests col
by danielweber 14y ago
That's microgravity, or what other people call "zero gravity."
We honestly don't know how much gravity people need to survive. Your talk of people's chests collapsing because you read it in science fiction is just that: science fiction. HG Wells is great but he's not really a good source of science for modern astrophysics.
Odds are, there are many bodily functions that work just fine in a little bit of gravity, and others that scale up as you get more and more gravity.
We really need to get some spinning space stations set up to find this stuff out. Unfortunately, NASA has a really big fetish for "let's spend money on microgravity research" instead of just doing the obvious thing of seeing how 1/6 g or 3/8 g affects people and systems.
- damoncali 14y agoTo be fair, It's really hard to make 1/6g or 3/8g environments.
- 1123581321 14y agoI was hoping you'd see the Wells item as showing how straightforward and early known is the connection between healthy human bone maintenance and gravity of earth's strength, not science fiction. Certainly the rate of bone loss will be slower in low gravity than in no gravity environments, but it will happen. It must happen to a degree just as surely as missing calcium and other nutrients would harm our bones.