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Asteroid
Minor Planet
A general term used to describe the small, rocky bodies of the solar system, sometimes also called 'minor planets'. Most, but by no means all, orbit the Sun between Mars and Jupiter, in the so-called Asteroid Belt.

Image of the Asteroid Belt
A view of the Asteroid Belt. The large spherical body is Ceres, by far the largest of the asteroids, but the Belt contains hundreds of thousands of smaller, less regular bodies.
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