Intriguingly, reddish material was also spotted near Pluto's ice volcanoes, or calderas. It's possible that the dwarf planet could have a subsurface ocean similar to that suspected on Titan, Saturn's Enceladus and Jupiter's Europa. These moons, however, have a tidal source of energy within,...
The article explains that the Gemini North Telescope has collected data from Pluto's largest moon, Charon, that suggests the surface may have several water-ammonia volcanoes. The eruptions from such structures would account for ...
Uranus has 27 moons. The larger moons of Uranus likeArielare made of water ice and rock in nearly equal proportions. Neptune has 14 moons.Triton,one of these moons, has volcanoes of not lava but ice! Finally, even Pluto, which is no longer considered a planet, has 5 moons of its own!