Re: Why is the rotation period of the moon exactly the same as the translation?
- From: Chris L Peterson <clp@xxxxxxxxxxxxxxxxxx>
- Date: Fri, 28 Dec 2007 11:48:59 -0700
On Fri, 28 Dec 2007 17:14:51 GMT, "IAP" <IAP@xxxxxxxxxx> wrote:
The moon's rotation must have been opposite to the earth's before the
lockstep.
Not at all. Any pair of orbiting bodies will eventually become tidally
locked, regardless of the relative directions of rotation. The fact that
the Moon is tidally locked to the Earth tells us something about its
initial rotation rate, but nothing at all about direction.
_________________________________________________
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
.
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