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New Partners: Hubble finds more moons around Pluto

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10:15am, November 2, 2005

Already deemed the oddball among planets, Pluto just got a new wrinkle. Two, actually. This week, astronomers announced that the Hubble Space Telescope has spied a pair of previously unrecognized moons orbiting Pluto, giving this outer solar system body a total of three satellites. If the finding is confirmed, Pluto will be the only object beyond Neptune known to have more than one moon. About 20 percent of the objects in the Kuiper belt, a reservoir of cometlike objects even farther from the sun than Pluto is, have single partners.

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