Clues found in the rocks by two NASA space rovers—Opportunity and Spirit—have led researches to conclude that the concentrations of minerals in Mars’s water makes the planet inhospitable for even the heartiest of organisms, according to Andrew Knoll, a professor of natural history in the Earth and planetary sciences department and a member of NASA’s Mars Exploration Rover science team. picked by deepchill 6 months ago tags mars surface acidic acid life exist |
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