Saturn’s moon Enceladus has been in the spotlight ever since the Cassini spacecraft discovered geysers jetting plumes of water vapor from its south pole (SN: 6/2/07, p. 350). The presence of water, along with organic compounds found on the moon’s surface, are two tantalizing indications that some kind of primitive life may have existed or might still reside on or within this highly reflective moon.
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