By the astronomical definition of the word "orbit", no. Earth does circle Mercur... | Hacker News

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		shhsshs 13 days ago \| parent \| context \| favorite \| on: Round and Round By the astronomical definition of the word "orbit", no. Earth does circle Mercury though (and Mercury circles Earth). In terms of this post - I suppose technically Earth does NOT circle the Moon, because we never see its back!

widforss 4 days ago [–]

Now I had to imagine Mercury's motion in Earth's reference system, and that was painful.

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