Mars’ Ancient Water May Have Flowed 3.7 Billion Years Ago In Times Of Volcanic Activity

November 19, 2014 11:39 AM

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Traces of ancient rivers and lake beds on Mars seem to show the planet was once flowing with water, but new research suggests moisture was most likely episodic and related to periods of volcanic activity.

Recent climate models have suggested Mars’ atmosphere is too thin to heat the planet enough for water flow, Brown University reported. The Sun is also believed to have been dimmer and cooler billions of years ago than it is today.

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