Antifreeze Might Allow for Oceans—and Life—on Enceladus

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By Eliza Strickland
Jul 23, 2009 12:58 AMNov 5, 2019 8:58 PM
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What lies beneath the icy crust of Enceladus? Ever since the NASA space probe Cassini snapped pictures of the Saturnian moon expelling enormous jets of icy vapor from fissures near its south pole in 2005, planetary scientists have debated whether the evidence points to liquid oceans beneath the moon's surface. Now, a new chemical analysis of the plume bolsters the oceanic theory, thanks to the detection of a mundane chemical: ammonia. Says study coauthor Jonathan Lunine:

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