Space science
Ancient comet explosion turned the world's driest desert into glass
The dark glass fields that dot the world's driest Atacama Desert were created by a comet that exploded about 12,000 years ago.
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The dark glass fields that dot the world's driest Atacama Desert were created by a comet that exploded about 12,000 years ago.
The explosion released about one million kilograms of matter and could leave a pit 20 meters in diameter on the surface of the comet Wirtanen.