Mimas
CategoryMoon of Saturn
SystemSolar System
Diameter396 km
Orbital Period0.94 days
About Mimas
Has a massive crater called Herschel that is 130 km across, nearly one-third of the moon diameter. Looks remarkably like the Death Star from Star Wars. The smallest astronomical body known to be rounded due to gravity. Mostly made of water ice with a small amount of rock. Internal ocean was discovered in 2024.
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