Image: Saturn and its 3 moons

Description: Voyager 2 image of Saturn, its rings and four of its moons. Three of Saturn's icy moons are evident at left against the darkness of space. They are, in order of distance from the planet: Tethys, 1,050 km (652 mi.) in diameter; Dione, 1,120 km (696 mi.); and Rhea, 1,530 km (951 mi.). The shadow of Tethys appears on Saturn's southern hemisphere. A fourth satellite, Mimas, is less evident, visible as a bright spot against Saturn's cloud tops very near the left horizon and just below the rings, above Tethys; the shadow of Mimas appears on the planet directly above that of Tethys. The shadow of Saturn is seen across part of the rings. The satellites all orbit Saturn in the plane defined by its rings and equator. The rings also show some enigmatic radial structure ('spokes'), particularly at left.
Title: Saturn and its 3 moons
Credit: http://pds.jpl.nasa.gov/planets/captions/saturn/saturn.htm (Note that the description of the moons given here is incorrect; see caption for color version.)
Author: NASA
Usage Terms: Public domain
License: Public domain
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