Dwarf planet Ceres is the largest object in the asteroid belt between Mars and Jupiter, and it's the only dwarf planet located in the inner solar system. It was the first member of the asteroid belt to be discovered when Giuseppe Piazzi spotted it in 1801. ... Ceres is named for the Roman goddess of corn and harvests.

Why is Ceres considered as an active planet?

New research has found that the dwarf planet Ceres may be a geologically active body with ice volcanoes and an ancient ocean. ... In addition, the research stated that both hills and mounds formed when ice melted and refroze following an asteroid impact about 20 million years ago, according to National Geographic.

Is Ceres a failed planet?

A third of the way between Mars and Jupiter lies the asteroid belt—the remnants of a failed planet. The largest object in the asteroid belt is the dwarf planet Ceres, a 590-mile-wide body that, researchers now say, is spouting water into space.