Sunday, August 07, 2011

Moon may be an amalgam of two moons

Just a link.



The near side and the far side of the Moon look very different - something people have known from the beginning of the space age.




An amusing new article in Nature offers a theory explaining this asymmetry:
Early Earth may have had two moons (popular summary)
If true, it was quite a collision. ;-)



See also Google News.

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