Moons of Pluto while searching for Plutonian rings. Styx, announced on 7 July 2012, was discovered while looking for potential hazards for "New Horizons". Charon is about half the diameter of Pluto and is so massive (nearly one eighth of the mass of Pluto) that the system's barycenter lies between them, approximately 960 km above Pluto's surface. Charon and Pluto are also tidally locked, so that they always present the same face toward each other. The IAU General Assembly in August 2006 considered a proposal that Pluto and Charon be reclassified as a double planet, but the proposal was abandoned. Pluto's four small
The Adventures of Pluto Nash become stranded on the Moon and desires to earn some money by which to pay for transport back to Earth to Salt Lake City. Because her father "Nicky Sticks" was a friend of Pluto's, she seeks help from Pluto, offering her skills as a singer. Pluto instead gives her a job as a server at his club and allows her to remain inside to sleep after its nightly closure to the public. During the same night, Pluto is accosted thrice by Mogan (Joe Pantoliano) and Kelp (Victor Varnado), messengers of a mysterious entrepreneur called Rex Crater. They tell Pluto that