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SESK: Stuff Everyone Should Know · sesk.info/aero-ceres-inner-dwarf

Which dwarf planet lives in the asteroid belt between Mars and Jupiter?

Ceres, the only dwarf planet in the inner solar system.

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  1. Pluto
  2. Eris
  3. Ceres ✔

Why: Ceres is the largest object in the asteroid belt and the only dwarf planet in the inner solar system. Pluto and Eris are far out beyond Neptune.

Huh, didn't know that: Ceres was spotted in 1801 and was called an asteroid for many years. NASA's Dawn spacecraft explored it.

The dad joke
Why is Ceres never lonely? It lives in a belt full of rocky friends.
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References

Answer: Ceres. Ceres is the largest object in the asteroid belt and the only dwarf planet in the inner solar system. Pluto and Eris are far out beyond Neptune.

  1. NASA Science: Ceres science.nasa.gov/dwarf-planets/ceres
    Ceres was the first member of the asteroid belt to be discovered when Giuseppe Piazzi spotted it in 1801.
    Checked 2026-10-10.

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