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Dusty, Acidic Glaciers Could Explain Layered Deposits on Mars

Researchers from the Planetary Science Institute (PSI) and NASA Johnson Space Center (JSC) have proposed a new hypothesis to explain a class of enigmatic geologic features on Mars that have puzzled scientists for decades. The new results, published recently in the journal Geology, suggest that large sedimentary deposits in the Valles Marineris termed Interior Layered [continue reading]