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There’s a New Moon in the Solar System

18 May 2017, 18:35 UTC
There’s a New Moon in the Solar System NASA, ESA, C. Kiss (Konkoly Observatory), and J. Stansberry (STScI)
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Ok, technically it’s not a new moon as it’s probably several billion years old but we didn’t know about it before, so it’s new to us! A team of researchers has just announced the discovery of a 150- to 250-mile-wide moon orbiting a dwarf planet in the Kuiper Belt named 2007 OR10. This distant, icy world is only 950 miles wide itself but it’s still the third largest dwarf planet, ranking behind Pluto and Eris in size.

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