Allen D Please examine the attached "CommonPoint.png" illustration. You are on record as saying that the Moon has only one motion -- a rotation (defined as "A progressive radial orientation to a common point") and that that common point "... lay outside the Moon itself at the Earth ...". Further, you have also stated that "... every axis lay 90 degrees to the plane of the motion in question ...". As shown in the illustration, these two statements are in conflict as regards the Earth/Moon -- the plane of the Moon's rotation (that motion which is at 90 deg to its axis) passes through the Earth for only part of its orbit, exactly as for Uranus. Though the ratio of intersection to non-intersection is different, the fact of intersection and non-intersection is identical. So I ask again -- what is the defining difference between the two cases which causes the Moon to have just one motion and Uranus to have two motions? Paul D Stay connected to the people that matter most with a smarter inbox. Take a look http://au.docs.yahoo.com/mail/smarterinbox
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