⚪ Dwarf planet
Ceres
The biggest object in the asteroid belt.
- Size
- 940 km across, 7% as wide as Earth
- A day lasts
- 9.1 hours
- A year lasts
- 4.6 Earth years
- Moons
- None
- From the Sun
- 410 million km
- Discovered
- 1801
Did you know?
- Its bright spots turned out to be salt left behind by salty water from inside.
Compare Ceres with EarthSide by side, to scale, in the app
More NASA photos of CeresStraight from NASA’s image library, in the app
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All of solar system
Mercury
The smallest planet, and the closest to the Sun.
Venus
The hottest planet, hidden under thick clouds.
Earth
Our home, the only world known to have life.
Mars
The red planet, with the tallest volcano in the solar system.
Jupiter
The biggest planet, with a storm larger than Earth.
Saturn
The ringed giant, light enough to float in water.