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Dawn Set to Leave Protoplanet Vesta

Dawn Spacecraft Set to Leave Protoplanet Vesta
Dawn spacecraft at the giant asteroid Vesta. (Image credit: NASA/JPL-Caltech )

NASA's Dawn spacecraft arrived at the giant asteroid Vesta in July 2011 and is set to depart on Sept. 4, 2012 PDT (Sept. 5 EDT).

Space.com Staff
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