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Ceres (IPA: /ˈsɪr.iz/, Latin: Cerēs), also designated 1 Ceres (see minor planet names), is the smallest dwarf planet in the Solar System and the only one located in the main asteroid belt. Its name is derived from the Roman goddess Ceres — the goddess of growing plants, the harvest, and of motherly love. It was discovered on January 1, 1801, by Giuseppe Piazzi. With a diameter of about 950 km, Ceres is by far the largest and most massive body in the asteroid belt, and contains approximately a third of the belt's total mass. Recent observations have revealed that it is spherical, unlike the irregular shapes of smaller bodies with less gravity.
