how sun's effect can be ignored?



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送交者: clriufs3 于 October 11, 2006 01:01:53:

回答: to explain moon's same side facing earth 由 clriufs3 于 October 09, 2006 18:55:19:

thanks for the link.

my question is, the moon's synchronous rotation is explained with
earth's gravitational pull only. since sun's gravitational pull on the
moon is two times that the earth has, how can we ignore the sun's
influence on the moon's rotational speed?

sorry if this is a dumb question, have forgot all of my high school
physics.



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