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 ...

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NASA’sNew Horizons spacecraft has delivered extraordinary video footage showing towering ice mountains on Pluto’s moon Nix. These ice peaks, some rising as high as 11,000 feet, are made of pure water ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there. By Jonathan O’Callaghan Some 4.5 billion years ago, ...

(Los Angeles-AP) June 21, 2006 - The newest kids in the solar system now have proper names: Nix and Hydra. The pair of moons orbiting Pluto were officially christened last week by the International ...

"The surfaces of Nix and Hydra are as close to unaltered as you can get." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...