Water, water everywhere in our solar system's moons

March 13, 2015 8:34 PM

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Water, water everywhere in our solar system's moons

The confirmation of a subterranean ocean underneath the icy surface of Jupiter’s moon Ganymede is the latest thread in a mounting body of evidence that water – and by theoretical extension, life – in our solar system need not be relegated solely to the narrow neither too hot nor too cold orbit known as the Goldilocks zone inhabited by Earth.

With this confirmation, announced Thursday by NASA, Ganymede joins the ranks of two other moons that lie far beyond the reach of the sun’s warmth believed to host underground reservoirs of liquid water. Evidence of similar oceans has been detected on Europa, another of Jupiter’s moons, and Enceledus...

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