Artorius Castus

Saturn moon ‘once had ocean’

Posted in Uncategorized by Patrick Truax on March 14, 2008

One of Saturn’s moons may once have harboured a liquid ocean beneath its icy surface, scientists have told a major conference in Houston, Texas.

Tethys is a mid-sized satellite with a density close to that of pure ice.

But a large valley system visible today must have formed when the crust was being heated and under great strain.

The team thinks that tidal heating, followed by cooling which froze Tethys’ ocean, could have formed the giant Ithaca Chasma rift.

Details were presented here at the 39th Lunar and Planetary Science Conference.

An Ocean can sustain a life form at its basic level. Back in the early eighties, it was believed there was some algae on the ice on Europa, one Jupiter’s satelites

The BBC has the story…

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