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May 19, 2016 06:32 pm -04

Ancient mega-tsunamis hint at cold Martian oceans

3.4 billion years ago, a meteorite smashed into the northern plains of Mars, where an ancient ocean once stood. Its impact threw up a massive wall of liquid water that scarred the surrounding landscape with backwash channels as the water poured back...

Original Link: http://www.engadget.com/2016/05/19/ancient-mega-tsunamis-hint-at-cold-martian-oceans/

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Engadget

Engadget is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics. Engadget was launched in March of 2004 in partnership with the Weblogs, Inc. Network (WI

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