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News Release Archive:

News Release 229 of 951

April 21, 2009 09:00 AM (EDT)

News Release Number: STScI-2009-18

Hubble Celebrates Its 19th Anniversary with a "Fountain of Youth"

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

Pluto and Its Moons: Charon, Nix, and Hydra- Unlabeled

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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

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

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