article_snippet.sent: Ceres is 590 miles (950 km) across and was discovered in 1801.
article_snippet.sent: Ceres is the closest dwarf planet to the sun and is located in the asteroid belt, making the closest dwarf planet to the sun the only dwarf planet in the inner solar system.
article_snippet.sent: Ceres is the smallest of the bodies currently classified as a 'dwarf planet'.
article_snippet.sent: Ceres is the largest body in the main asteroid belt between Mars and Jupiter, with an average diameter of 590 miles (950km).
article_snippet.sent: Ceres is about 2.8 times further from the sun than Earth, and a day on the dwarf planet lasts nine Earth hours.