Charon also has an abnormally circular orbit of Pluto, with its orbital eccentricity (a value between 0 and 1, where 0 is a perfect circle and 1 is an open-ended parabola) only being about 0.000161.

In a study published recently in Nature Geoscience, researchers unveiled a new theory explaining the formation of Charon, Pluto's largest moon. The team from the University of Arizona proposed ...

An curved arrow pointing right. NASA's New Horizons spacecraft took us to Pluto for the first time in July 2015. Scientists are astonished by the incredible features they've observed on the dwarf ...

Pluto was always in a tough spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos and ...

This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated.

But on Charon, Pluto's nearest moon, they found this most familiar of geological features. There was more, on Pluto itself, that recalled the American mid-west. Dark streaks on Pluto's plains ...

That’s because NASA wants New Horizons taking pictures of Pluto, its jumbo moon Charon and its four little moons during this critical time, not gabbing to Earth. NASA marked the moment live on ...

This is the story of Pluto, a planet that has been removed from the solar system and is wandering alone in the vastness of space, and its satellite, Charon, which hovers around Pluto.

He died 17 Jan 1997 and since then this day is called the Pluto Day. Pluto has five known moons: Charon, the largest, whose diameter is just over half that of Pluto; Styx; Nix; Kerberos ...