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Enceladus: home of alien lifeforms?

The mosaic of fractures, folds and ridges in the surface of Enceladus, captured by Nasa's Cassini spacecraft. Photograph: Nasa/JPL/Space Science Institute Enceladus is little bigger than a lump of…
PUBLISHED: July 29, 2012
LENGTH: 7 minutes (1834 words)
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