Moontanman Posted April 9, 2009 Report Posted April 9, 2009 STEREO Hunts for Remains of an Ancient Planet near Earth April 9, 2009: NASA's twin STEREO probes are entering a mysterious region of space to look for remains of an ancient planet which once orbited the Sun not far from Earth. If they find anything, it could solve a major puzzle--the origin of the Moon. NASA - STEREO Hunts for Remains of an Ancient Planet near Earth Quote
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