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Earth as a target

FROM THE May 2011 ISSUE

Earth as a target

Evidence of impacts is evident all over Earthт??s surface.

By Liz Kruesi Тљ|Тљ Published: Monday, March 28, 2011

About 50,000 years ago, an asteroid impacted Earthт??s surface and created Barringer Crater (also known as Meteor Crater) in northern Arizona. It dug out a hole nearly a mile wide. Peter Kresan

Earth has been hit by asteroids and comets in the past т?? our planetт??s surface is riddled with the evidence. A few years ago, we published an article that described many impact craters. You can download this article, т??Earth under fire.т??