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News Release 51 of 180

June 22, 2006 08:00 PM (EDT)

News Release Number: STScI-2006-29

Pluto's Two Small Moons Officially Named Nix and Hydra

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Image: Pluto and Its Moons: Charon, Nix, and Hydra

Pluto and Its Moons: Charon, Nix, and HydraSTScI-PRC2006-29a

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ABOUT THIS IMAGE:

A pair of small moons that NASA's Hubble Space Telescope discovered orbiting Pluto now have official names: Nix and Hydra. Photographed by Hubble in 2005, Nix and Hydra are roughly 5,000 times fainter than Pluto and are about two to three times farther from Pluto than its large moon, Charon, which was discovered in 1978.

Object Names: Pluto, Charon, Nix, Hydra

Image Type: Astronomical/Illustration

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

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