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Where is the asteroid belt?

This diagram compares two planets, one moon, and three dwarf planets, in order of size. The diagram does not represent the order of their orbits.

Eris and Pluto are Kuiper Belt objects, and Ceres is an asteroid.

Map showing asteroid belt straddling the inner and outer solar system

Images courtesy NASA, ESA; image of Eris is
an artist's conception by Adolf Schaller.

Space Telescope Science Institute, Graphics Dept.