Ceres, also designated 1 Ceres or (1) Ceres, is the smallest dwarf planet in the Solar System and the only one located in the main asteroid belt.
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 asteroids with less gravity.
For more information about the topic Ceres (dwarf planet), read the full article at Wikipedia.org, or see the following related articles:
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