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Cassini to Capture Clues from Saturn's Icy Moon

The Cassini spacecraft is on track Wednesday to skim past Saturn's moon, Enceladus, right through the plume of an "ice geyser" that is throwing material out into space. The volcano may be fed by an underground ocean. Scientists recently discovered that Enceladus has a thin atmosphere, and they say it is the sort of place that theoretically could support some form of life.

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