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The planet The radius you have is perfectly fine. It is true that chthonian planets may have masses of 30-100 times that of the Earth, but this is merely because they are extremely dense. Mocquet ...
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#1: Attribution notice removed
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System
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2020-06-01T14:13:49Z (almost 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/41194 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/