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Q&A 5km artificial planet, with same gravity as on Earth

A first approximation Let's calculate surface gravity. Assuming an object of density $ρ$ and radius $R$ , the surface gravity is $\begin{matrix} (1) & g = \frac{4 π}{3} G ρ R \end{matrix}$ For a white dwarf, $\rho\sim10...

posted 7y ago by HDE 226868‭ · last activity 6y ago by HDE 226868‭

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System‭ · 2020-06-01T14:13:56Z (almost 5 years ago)

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Source: https://worldbuilding.stackexchange.com/a/117200
License name: CC BY-SA 4.0
License URL: https://creativecommons.org/licenses/by-sa/4.0/

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