PIA12453: Pluto and its Moons: Charon, Nix, and Hydra
 Target Name:  Pluto
 Is a satellite of:  Dwarf Planet
 Mission:  Hubble Space Telescope
 Instrument:  Advanced Camera for Surveys
 Product Size:  504 x 504 pixels (w x h)
 Produced By:  NASA/ESA 
 Full-Res TIFF:  PIA12453.tif (763.1 kB)
 Full-Res JPEG:  PIA12453.jpg (12.04 kB)

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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.

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

Image Addition Date:
2009-04-21