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I like TimB's answer discussing the Giant Impact Hypothesis. I see that in a comment on his answer, you wrote Thank you! I actually had this Moon origin theory in mind. But I'm actually wonderi...
Answer
#1: Attribution notice removed
by
System
·
2020-06-01T14:13:44Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/14691 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/