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12 November 2009
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You are here: BBC > Science & Nature > Space > Solar System > Saturn
MAIN MOONS:   Titan    Iapetus    Dione   Enceladus    Mimas
MIMAS
· Your travel guide to the Solar System ·

Mimas
Facts and Figures

DEFINITION

Mimas is a tiny moon orbiting the planet Saturn.

REASONS TO VISIT

  • See the huge 130km-wide crater that covers a third of the surface
  • Visit a moon that looks like the Death Star from Star Wars
 
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WHAT TO SEE


Mimas is composed mostly of water ice, interspersed with only small quantities of rock.

Herschel Crater
By far the most distinctive feature on Mimas is the giant Hershel crater. At nearly 130km across, with a floor 10km deep and walls 5km high, the crater is nearly a third the size of Mimas itself. The central peak is nearly as high as Mount Everest on Earth.

From a distance, the satellite resembles the Death Star from the Star Wars films.

The huge asteroid impact that caused the crater must have nearly destroyed Mimas entirely. Fracture marks can even be seen on the opposite side of the moon.

Explore asteroids further

TRAVEL INFORMATION


Before you leave
The surface of Mimas is pitted with craters, so finding a smooth landing site might be tricky.

LOCAL HISTORY


In Greek mythology, Mimas was a Titan who was slain by the god Hercules.

Discovery
Mimas was discovered by Friedrich Wilhelm Herschel in 1789.

SPOTTING MIMAS FROM THE EARTH


Mimas is not visible from the Earth with the naked eye, but can be seen with a telescope.

More from BBC

BBC Space - Exploration
The history and future of planetary missions

Go further

SEDS - The Nine Planets
In-depth site on the structure, mythology and composition of Mimas

NASA - Solar System Exploration
Good beginner's guide to Mimas

NASA - Planetary Photojournal
Pictures of Mimas

NASA - Saturnian Moon Factsheet
In-depth data on Saturn's moons

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