On a lonely, cratered plain near the equator of dwarf planet Ceres, a mountain half the height of Everest spirals into an airless abyss. A few hundred million years ago, briny ice lavas from deep beneath the surface pushed Ahuna Mons up, freezing again as they oozed across the mountain’s rugged peak.
Source: Gizmodo – Strange Mountain On Ceres Appears To Be An Ice Volcano