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Wednesday, November 11, 2009 |
Wednesday, November 11, 2009 |
Photo: Birth of an Earthlike Planet Spied By SpitzerA second ring of icy dust farther out from the star could eventually be a source of water for the newborn planet. Image courtesy NASA/JPL-Caltech/JHUAPL
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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