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Q&A Can our orbit support a second planetary mass

If for a 'magic' Reason a second planetary mass of roughly equal proportions to earth appeared in the same orbit as earth. Is there any way that both masses could continue to orbit and remain in th...

2 answers  ·  posted 7y ago by ChaosCenturian‭  ·  last activity 7y ago by ChaosCenturian‭

Question biology reality-check physics solar-system