Dwarf planet Ceres is the largest object in the asteroid belt between Mars and Jupiter and 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. And when Dawn arrived in 2015, Ceres became the first dwarf planet to receive a visit from a spacecraft.

Called an asteroid for many years, Ceres is so much bigger and so different from its rocky neighbors that scientists classified it as a dwarf planet in 2006. Even though Ceres comprises 25 percent of the asteroid belt's total mass, tiny Pluto is still 14 times more massive.

10 Things to know
1 Small world : Ceres’ radius is just 296 miles (476 km)
2 Orbits the sun
3 Seize the day
Ceres completes one rotation around its axis every 9 hours.
4 No longer an asteroid
Ceres is so much bigger and so different from its neighbors that scientists classified it as a dwarf planet in 2006.
5 Atmosphere
6 Moonless
7 Ringless
8 First dwarf planet visited by spacecraft
9 Potential for life
Scientists would like to search for possible signs of life on Ceres. It has something many other planets don't: water.
10 rom the mouth of babes
Venetia Burney, just 11 years old at the time, suggested the name Pluto in 1930.
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