Well I am a little focused on the aspect of the propogation of gravity Bojan and the inevitable conclusion it is not instant.. and a belief that even on small scales this aspect that centers are "different" for each object and that it is this difference that in effect "powers" the rotation of a binary system ..for example.. I can make a case but it is something that I alone am probably interested in.
Thanks for you help I really appreciate it.
alex
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