As of 2014, Pluto has five recognized moons. The largest moon, Charon, was discovered in 1978, followed by the discoveries of Nix and Hydra in 2005, Kerberos in 2011 and Styx in 2012. Pluto may have as many as 10 moons. More »

Although astronomers have not observed any rings on Pluto, some scientists believe that Pluto may have rings due to the low gravitational pull of its two moons. NASA’s New Horizons mission may provide further information... More »

There are 146 official moons in the solar system. This does not include the 27 additional celestial objects orbiting planets, the five moons orbiting the dwarf planet Pluto or the tiny moons orbiting celestial bodies oth... More » Science Astronomy Planets

Pluto does not have a weight, because weight is a force exerted by one gravitational body on another gravitational body. The dwarf planet Pluto has a mass of 1.31 x 10^22 kilograms, and it's weight would depend on the ac... More »

According to NASA, astronomers have discovered at least 146 moons orbiting planets in Earth's solar system. As of 2014, 27 more moons await official confirmation of their discovery. This total does not include the six mo... More »

The dwarf planet Pluto has five satellites or moons. Their names are Nix, Styx, Hydra, Kerberos and Charon. Pluto's largest moon is Charon, which was discovered in 1978. Pluto is about a half size larger than Charon. More » Science Astronomy Planets

Although no one knows exactly what Pluto is made of, most scientists agree that it is between 50 and 70 percent rock, with the remainder being composed of various ices. Pluto’s core is composed of dense rock, while the i... More »