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Astronauts are weightless in orbit

Well, sort of. The only reason you see them floating around in the space shuttle is because the shuttle is actually in free fall with the astronauts inside it. So why don’t they smash into the Earth? Simplistically, they are moving too fast laterally and so they keep missing the ground. That’s right, they just keep falling over the horizon.

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Many Things We Know About Space Are Just Wrong
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