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Probe Gets Close Up to Enceladus
from the BBC News Online
The Cassini spacecraft has returned some remarkable new close-up images of the Saturnian moon Enceladus.
They were captured during a flyby on 11 August, with the probe passing above the icy terrain at a distance of just 50km at closest approach. The pictures show previously unseen detail in the so-called tiger stripes that mark the south pole of Enceladus.
These cracks run across a "hot-spot" region that is hurling plumes of ice particles into space. Scientists are intrigued by what might be driving this activity; and some have suggested the mechanisms involved could be sufficient to maintain a mass of liquid water below the moon's surface.
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