Mars Rovers Sharpen Questions About Livable Conditions

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This view from NASAs Mars Exploration Rover Opportunity shows bedrock within a stratigraphic layer informally named Lyell which is the lowermost of three layers the rover has examined at a bright band around the inside of Victoria Crater. Image credi ...
This view from NASA's Mars Exploration Rover Opportunity shows bedrock within a stratigraphic layer informally named "Lyell," which is the lowermost of three layers the rover has examined at a bright band around the inside of Victoria Crater. Image credit: NASA/JPL-Caltech/Cornell University

Like salt used as a preservative, high concentrations of dissolved minerals in the wet, early-Mars environment known from discoveries by NASA's Opportunity rover may have thwarted any microbes from developing or surviving.


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All News summaries for February 15, 2008

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