This is a composite image of the small moons of Saturn.
Click on image for full size
Janus was discovered by A. Dollfus in 1966. Janus is the 5th closest moon to Saturn. Janus is one of the small moons
, and is about the size of a county.
Janus and Epimetheus orbit Saturn together. They are only 50 km (33 miles) apart as they orbit Saturn, which is a little like having two moons in the same city. The fact that they are so close may mean that they are two pieces of what may once have been a single moon.
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