10 mind blowing facts about dwarf planet ceres 1. For half a century since its discovery in 1801, Ceres was considered a planet. 2. It was the first discovered asteroid. It’s a member of the asteroid belt b/w Mars & Jupiter. 3. Ceres is the only dwarf planet with no moons. FYI, some - such as Pluto - have two moons. 4. So large & dense, this dwarf planet is one-third of the mass of entire asteroid belt. 5. Landslides are common on Ceres. 6. It has a rocky core, icy mantle, internal ocean, and liquid water under the sheet of its icy surface. 7. Its mysterious bright spots aren’t volcanic in origin. And, it has countless bright spots. 8. Approximately, its area is equivalent to that of France. 9. It is round, because of its own gravity. 10. Ceres has many ice volcanoes. Ahuna Mons is the largest of them.