
Mars has acid fog which eats away rocks and is caused by volcanic eruptions on the red planet, a new study suggests. A planetary scientist has pieced together a compelling story about how acidic vapors may have eaten at the rocks in a 100-acre area on Husband Hill in the Columbia Hills of Gusev Crater on Shoshanna Cole.
An assistant professor at Ithaca College in New York, used a variety of data gathered by multiple instruments on the 2003 Mars Exploration Rover Spirit to tease out informatio...
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