View Full Version : Opportunity Rover Prospecting for Water Altered Minerals at Crater Rim in Marathon Va

2015-Oct-16, 04:00 AM
As NASA’s Opportunity rover approaches the 12th anniversary of landing on Mars, her greatest science discoveries yet are likely within grasp in the coming months since she has successfully entered Marathon Valley from atop a Martian mountain and is now prospecting downhill for outcrops of water altered clay minerals. The valley is the gateway to […]

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