World

Researchers say they finally know why slabs of glass litter this desert: An ancient, exploding comet

Jay Cannon, USA TODAY Comments Off on Researchers say they finally know why slabs of glass litter this desert: An ancient, exploding comet

Glass slabs cover parts of the the Atacama Desert in Chile. A new study says they're the result of a comet explosion some 12,000 years ago.

      
Jay Cannon, USA TODAY
http://api-internal.usatoday.com.akadns.net

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