Wednesday, April 26, 2006

Another Family Grouping at Planet VI
From left to right, Janus, Enceladus, and Tethys. In order, they're notable for shepherding the outer edge of Saturn's main ring system, ice geysers at the south pole, and the Ithaca Chasma, which appears as a wide crack near the sunset line of the largest of these moons.

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