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Wednesday, November 11, 2009 |
Wednesday, November 11, 2009 |
Photo: Record-Setting Fifth Planet Found Orbiting Nearby StarAstronomers recently found the fifth planet, which orbits in the star's habitable zone (shown in green), making this the first known quintuple planetary system. Image courtesy NASA/JPL-Caltech
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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