"We know that Mars once had liquid substances flowing over its surface, but why do we think it was water? Could it not have been something else?"
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Could Impacts Have Caused Flooding on Mars?
NAI scientists on the University of California, Berkeley team describe, in a recent issue of Icarus, how meteoritic impacts on Mars may have caused Earth-like saturated soil liquefaction and potentially enabled violent groundwater eruption. Enough water, they say, could have been erupted to produce floods and outflow channels.
May 16, 2005 / Posted by: Shige Abe
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