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Re: Moonquakes

Subject: Re: Moonquakes
From: "rick++"
Date: 16 Mar 2006 17:36:56 -0800
Newsgroups: sci.astro, alt.sci.planetary, sci.geo.earthquakes
There three competing theories: simultaneous acretion,
capture, and proto-earth fission after collision.
The third is favored.  I forget all the details, but there
was a nice summary in SciAm about ten years ago.
Lunar rock analysis was the strongest evidence.

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