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[rE' a] the fourteenth of Saturn's known satellites, and its second largest


Rhea has a diameter of 951 miles (1,530 kilometers), and orbits Saturn at a distance of 327,292 miles (527,040 kilometers). It was discovered by Jean Domenique Cassini in 1672, and named for the sister and wife of Saturn in Roman mythology.

Rhea is composed primarily of water ice, with rock making up less than one-third of its mass.


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  The Robinson Library > Science > Astronomy > The Solar System

This page was last updated on 12/16/2014.

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