Mimas touch

Look: Saturn's "Death Star" moon might have an ocean beneath its surface

It could redefine what it means to be an ocean world.

NASA/JPL/Space Science Institute

Meet Mimas, the smallest of Saturn’s eight major moons.

Its dominant crater makes it look a bit like the infamous Death Star from Star Wars.

Originally, researchers thought Mimas was frozen to the core.

But a new report in the journal Icarus reveals that this moon’s external layer might just be a cover for an inner ocean.

NASA/JPL/Space Science Institute