Pluto seen from Charon artwork Craters from ice volcanoes are seen on the surface Pluto and Charon are icy bodies orbiting around each other in the Kuiper Belt on the outer edges of the Solar System The Sun upper left is some billion kilometres distant Charon is around half the size of Pluto which has a diameter of kilometres Pluto was reclassified from a planet in and is now considered a dwarf planet