The names Nix and Hydra have been approved for the two small satellites of Pluto discovered in May 2005. The International Astronomical Union (IAU), the internationally recognized authority for ...

In June 2005, two small moons were discovered orbiting Pluto, much farther out than its larger moon, Charon.For a year, the discovery team, led by planetary astronomer Alan Stern of the Southwest ...

While Pluto’s largest moon Charon has grabbed most of the lunar spotlight, two of Pluto’s smaller and lesser-known satellites are starting to come into focus via new images from the New Horizons ...

Assembled into a seven-frame movie, the new images provide the spacecraft's first extended look at Hydra (identified by a yellow diamond ) and its first-ever view of Nix (orange diamond). Credit: NASA ...

NASA’sNew Horizons spacecraft has delivered extraordinary video footage showing towering ice mountains on Pluto’s moon Nix.

Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests. New observations with the James Webb Space Telescope (JWST) show that the two moons, Nix and ...

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In a historic moment, NASA has unveiled the first truly close-up photos humanity has ever seen of Pluto and two of its moons, thanks to the New Horizons craft -- and they're astounding. Share on ...

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