Friday, November 27, 2009

Shadows Above and Below

The shadows of two moons appear on Saturn, above and below the plane of the planet's rings.North on Saturn is up in this image, and the shadow of Dione (1123 kilometers, 698 miles across) can be seen south of the planet's equator. The smaller shadow of Mimas (396 kilometers, 246 miles across) is north of the equator. Dione and Mimas both have orbits that are slightly inclined in relation to the

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