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Strange Object Boosts Kuiper Belt Mystery

There's something odd floating around in the outer solar system. Actually, there's lots of odd things floating around in the outer solar system, but 2002 UX25 is one of the most baffling. Continue reading →

November 13, 2013
1:48 PM EST
Densities of objects in and from the Kuiper belt. | From "The density of mid-sized Kuiper belt object 2002 UX25 and the formation of the dwarf planets," Michael Brown, 2013. arXiv:1311.0553 [astro-ph.EP]

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