August 30, 2013

A Grand Canyon is Discovered in Greenland

How is it that something 460 miles long, 6 miles wide and, and up to 2,600 feet deep would go unnoticed until now?

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How is it that something 460 miles long, 6 miles wide and, and up to 2,600 feet deep would go unnoticed until now? We’re not talking about an object far off in space. We are talking about a canyon that is comparable to the Grand Canyon which was recently discovered (by accident) beneath Greenland’s melting ice sheet.

For a first look, watch this video from NASA:

A weekly newsletter featuring the biggest ideas from the smartest people

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11 min

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with

Brian Klaas

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