Dawn's images, gravity data and mineral maps point to Ahuna Mons as a young cryovolcanic dome built by a viscous slurry of brine, salts, ice and solid particles.
Ceres is a world of subdued relief. Its charcoal-grey surface is crowded with impact scars, but between the craters much of the terrain rolls gently across the dwarf planet. Then one mountain breaks … [+9675 chars]