Aging Mars rover makes new water discoveries
June 08, 2013  02:34
Scientists today called NASA's Opportunity rover gimpy and arthritic but hailed its new discoveries about early water on Mars made 10 years after it was launched toward the Red Planet. 

The unmanned solar-powered vehicle has just analysed what may be its oldest rock ever, known as Esperance 6. It contains evidence that potentially life-supporting water once flowed in abundance, leaving clay minerals behind.
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