courtesy Reuters
A Martian rock analyzed by NASA’s rover Opportunity contains clays formed in non-acidic water, an environment potentially suitable for the chemistry of ancient life to brew.
The solar-powered Opportunity landed on Mars in January 2004 for what was expected to be a 90-day mission to look for signs there was once water. It, and a twin rover, Spirit, which succumbed to the harsh Martian environment three years ago, had both found rocks altered by highly acidic water.
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| This self-portrait of NASA’s Mars Curiosity rover is shown in this NASA handout composite image released May 30, 2013. Curiosity is on the road toward Mount Sharp, the primary target of a planned two-year mission to search for habitats that could have supported life, NASA officials said June 5, 2013. – Reuters |
While acid-loving microbes exist on Earth, scientists suspect the chemical building blocks for life need more neutral conditions to…
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James' World 2 
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