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That's no moon! It's a space station! How big can a space ship be before it collapses on itself?
The defining equation of hydrostatic equilibrium - the state a celestial body must be in to maintain some semblance of a spherical shape - is $$\frac{dP}{dr}=-\frac{GM(r)\rho(r)}{r^2}$$ where $P$ i...
Answer
#1: Attribution notice removed
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System
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2020-06-01T14:13:46Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/27197 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/