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Mars Rovers Spot Water-Clue Mineral, Frost, Clouds

01/02/2005 12:00AM

Mars Rovers Spot Water-Clue Mineral, Frost, Clouds

Scientists have identified a water-signature mineral called goethite in bedrock that the NASA's Mars rover Spirit examined in the "Columbia Hills," one of the mission's surest indicators yet for a wet history on Spirit's side of Mars.


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