Quote:
Originally Posted by Kal
no - the moon does not rotate on it's axis. It rotates on an axis which is 380,000 km away, inside the earths crust.
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The moon
rotates on its axis. It
revolves around the earth-moon barycenter.
The earth
rotates on its axis. It
revolves around the earth-moon barycenter.
A bit more accurately, they revolve around the sun-earth-moon barycenter.
Although it you really wanted to be pedantic, you would have to take into consideration the perturbations caused by every other object in the universe.