Artist rendering of the "10th planet," announced July 29, 2005 by Mike Brown of Caltech. It is larger than Pluto. The Sun is in the background. Credit: NASA/JPL/Caltech
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Artist rendering of the "10th planet," announced July 29, 2005 by Mike Brown of Caltech. It is larger than Pluto. The Sun is in the background. Credit: NASA/JPL/Caltech |
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