Behold: Ahuna Mons. It’s the best example in the solar system of a cryovolcano, a mountain made of ice that spews water instead of magma. Although cryovolcanoes probably exist on Pluto, and there are hints as well on Titan, this peculiar, 4-kilometer-tall mountain on Ceres, the largest object in the asteroid belt, is the real thing, say researchers with NASA’s Dawn spacecraft in one of six papers published today.
NASA just found an ice volcano on Ceres that’s half the size of Everest
