NASA Science News_April 9, 2009

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NASA Science News for April 9, 2009

NASA's twin STEREO probes are entering a mysterious region of space to look for remains of an ancient planet which might have orbited the Sun not far from Earth. If they find anything, it could solve a major puzzle--the origin of the Moon.

FULL STORY at

http://science.nasa.gov/headlines/y2009/09apr_theia.htm?list1035898