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Carbon planets We typically expect a moon's composition to reflect the part of the protoplanetary disk it came from. If it's orbiting a planet close to the star, we'd expect it to be composed larg...
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#1: Attribution notice removed
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2020-06-01T14:13:58Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/150121 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/