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Questions about a habitable second moon
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[QUOTE="DaveC426913, post: 6843377, member: 15808"] You say P1 is silicate. i.e. not a gas giant. So I cant use Uranus numbers. So you'll have to establish its mass or its density in order to work out orbital periods. Uranus density is 1.27g/cm[SUP]3[/SUP] Earth is 5.5g/cm[SUP]3[/SUP] [/QUOTE]
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