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News Release 7 of 10

October 31, 2005 12:45 PM (EST)

News Release Number: STScI-2005-19

NASA's Hubble Reveals Possible New Moons Around Pluto

October 31, 2005: NASA's Hubble Space Telescope has spotted two possible new moons orbiting Pluto, the ninth planet in our solar system. If confirmed, the candidate moons could provide new insight into the nature and evolution of the Pluto system and the early Kuiper Belt. The Kuiper Belt is a vast region of icy, rocky bodies beyond Neptune's orbit.

These Hubble Space Telescope images reveal Pluto, its large moon Charon, and the planet's two new candidate satellites. Between May 15 and May 18, 2005, Charon, and the putative moons all appear to rotate counterclockwise around Pluto.

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Credit: NASA, ESA, H. Weaver (JHU/APL), A. Stern (SwRI), and the HST Pluto Companion Search Team