December 7, 2021

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Methane in plume of Saturn’s moon Enceladus could be sign of alien life, study suggests

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The methane wafting from Enceladus may be a sign that life teems in the Saturn moon’s subsurface sea, a new study reports.

In 2005, NASA’s Cassini Saturn orbiter discovered geysers blasting particles of water ice into space from “tiger stripe” fractures near Enceladus’ south pole. That material, which forms a plume that feeds Saturn’s E ring (the planet’s second-outermost ring), is thought to come from a huge ocean of liquid water that sloshes beneath the moon’s icy shell.



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