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Strong evidence of wet past on Mars

by EdH / May 23, 2007 10:54 PM PDT
LINK
The Mars rover Spirit has uncovered the strongest evidence yet that the planet used to be wetter than previously thought, scientists reported Monday.

The robot analyzed a patch of soil in Gusev Crater and found it unusually rich in silica. The presence of water would have been necessary to produce such a large silica deposit, scientists said.

"This is a remarkable discovery," principal investigator Steve Squyres of Cornell University said in a statement. "It makes you wonder what else is still out there."


Leaving aside questions about climate change, I take this as further indication of how little we know and how much we have yet to learn.
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Recent revelations about the polar ice caps...
by grimgraphix / May 24, 2007 12:30 AM PDT
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(NT) I suspect that is the truth of it.
by James Denison / May 24, 2007 3:00 AM PDT
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(NT) I agree re: how much we have to learn!
by Angeline Booher / May 24, 2007 1:42 AM PDT

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