Lost crater

I love this kind of stuff:

SPACE.com -- Huge Crater Found in Egypt:

 F 52 827 1D Www.Space.Com Images H Kibera Crater 01Scientists have discovered a huge crater in the Saharan desert, the largest one ever found there.

The crater is about 19 miles (31 kilometers) wide, more than twice as big as the next largest Saharan crater known. It utterly dwarfs Meteor Crater in Arizona, which is about three-fourths of a mile (1.2 kilometers) in diameter.

In fact, the newfound crater, in Egypt, was likely carved by a space rock that was itself roughly 0.75 miles wide in an event that would have been quite a shock, destroying everything for hundreds of miles. For comparison, the Chicxulub crater left by a dinosaur-killing asteroid 65 million years ago is estimated to be 100 to 150 miles (160 to 240 kilometers) wide.

The crater was discovered in satellite images by Boston University researchers Farouk El-Baz and Eman Ghoneim.
Hard to believe they only found it now.
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Issandr El Amrani

Issandr El Amrani is a Cairo-based writer and consultant. His reporting and commentary on the Middle East and North Africa has appeared in The Economist, London Review of Books, Financial Times, The National, The Guardian, Time and other publications. He also publishes one of the longest-running blog in the region, www.arabist.net.