🌙 Moon
Mimas
A small moon of Saturn with a giant crater that makes it look like the Death Star.
- Size
- 400 km across, 3% as wide as Earth
- Goes round Saturn
- every 22.6 hours
- Discovered
- 1789, by William Herschel
Did you know?
- Its biggest crater, named Herschel, is about 130 km wide, a third of the whole moon’s width.
Photographed or visited by
Cassini–Huygens
Thirteen years around Saturn, and a landing on Titan.
Compare Mimas with EarthSide by side, to scale, in the app
More NASA photos of MimasStraight 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.