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when toggle format what by license comment
Apr 8, 2016 at 7:17 comment added jiggunjer You could just as easily say the barycenter moves in circles around the earth. The short answer as to why we don't say that is easier math.
S Feb 25, 2013 at 23:05 review Late answers
Feb 26, 2013 at 17:13
S Feb 25, 2013 at 23:05 review First posts
Feb 26, 2013 at 6:50
Feb 25, 2013 at 22:46 history answered Cheeku CC BY-SA 3.0