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Enceladus: Scientists find evidence of hydrothermal vents.


Enceladus Scientists find evidence of hydrothermal vents

Enceladus Scientists find evidence of hydrothermal vents

Enceladus Scientists find evidence of hydrothermal vents

Source: http://www.slate.com/blogs/bad_astronomy...

Saturn’s moon Enceladus is particularly interesting, with geysers of water spewing hundreds of kilometers into space from its south pole. And now it’s just gotten even more exciting: Two teams of scientists have found evidence of hydrothermal vent activity on the little moon!

We know there’s liquid water under the surface of Enceladus because of the geysers. The mighty gravity of Saturn squeezes and stresses the moon, and friction inside it heats it, causing the ice to melt. Cracks near the south pole (called sulci, singular: sulcus, a word I’m fond of) open and close as the moon is squeezed, and the huge pressure under the surfacecauses the water to erupt out.

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