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searching PlanetScale…
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4 ms
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by
useless
11y ago
I think the assumption is the density remains the same (rho=M/(r^3)) stays the same so GM/(r^2) becomes G rho r.
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by
useless
11y ago
I think it is generally useful for people to have a picture in their head about whats going on as work quite frequently gets lead by instinct and educated guesswork which can be made rigorous once you've decided its worth the time to d