Researchers have discovered the largest fresh meteor-impact crater - TopicsExpress



          

Researchers have discovered the largest fresh meteor-impact crater ever firmly documented on Mars with before-and-after images. The images were captured by NASAs Mars Reconnaissance Orbiter. The crater spans half the length of a football field and first appeared in March 2012. The impact that created it likely was preceded by an explosion in the Martian sky caused by intense friction between an incoming asteroid and the planets atmosphere. Read more here: buff.ly/1jeo1tt
Posted on: Tue, 27 May 2014 02:00:00 +0000

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