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Unread June 18th, 2009, 11:33 AM
James Brody James Brody is offline
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Join Date: Jun 2004
Location: Philadelphia area
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Cool Maritian Lake 3.4 bn Years Ago

A little too late to move...

"A University of Colorado at Boulder research team has discovered the first definitive evidence of shorelines on Mars, an indication of a deep, ancient lake there and a finding with implications for the discovery of past life on the Red Planet.

"Estimated to be more than 3 billion years old, the lake appears to have covered as much as 80 square miles and was up to 1,500 feet deep -- roughly the equivalent of Lake Champlain bordering the United States and Canada, said CU-Boulder Research Associate Gaetano Di Achille, who led the study. The shoreline evidence, found along a broad delta, included a series of alternating ridges and troughs thought to be surviving remnants of beach deposits.

"'This is the first unambiguous evidence of shorelines on the surface of Mars,' said Di Achille. 'The identification of the shorelines and accompanying geological evidence allows us to calculate the size and volume of the lake, which appears to have formed about 3.4 billion years ago.'"

http://www.eurekalert.org/pub_releas...-uoc061709.php
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