The orbit of 2003 EL61, which has two moons, and the possible planet 2003 UB313, around the Sun. The black path is Neptune. Credit: Mike Brown, Caltech
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The orbit of 2003 EL61, which has two moons, and the possible planet 2003 UB313, around the Sun. The black path is Neptune. Credit: Mike Brown, Caltech |
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