E Ring

From Freepedia

For the television series, see E-Ring.

The E Ring is one of the rings of Saturn. It is the outermost ring, and is extremely wide, beginning at the orbit of Mimas and ends somewhere around the orbit of Rhea. It is a diffuse disk of icy or dusty material. Unlike the other rings, it is composed of microscopic rather than macroscopic particles. In 2005, the moon Enceladus was determined to be the source of E Ring's material.

Image:Pleiades large.jpg This astronomy related article is a stub. You can help Wikipedia by expanding it.

Also, E-Ring is the term for the five-floor outer ring of the Pentagon, the U.S. Department of Defense's headquarters building in Virginia.

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