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Thursday, October 28, 2010

Photo: Early Mars Too Acidic, Salty for Life, Experts Say


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A composite image by the Opportunity rover shows bedrock from the inside of Mars's Victoria Crater.

Scientists say the latest findings from Opportunity and its sister rover Spirit reveal that Mars likely had a watery past—but was probably too acidic and briny with dissolved minerals for life.

Image courtesy NASA/JPL-Caltech/Cornell University