Evidence Found for Planet-Cooling Asteroid (Nature)

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Nature logoNature points to a new study co-authored by Dartmouth’s Mukul Sharma, a professor in the Department of Earth Sciences, that links the impact of a comet or meteor striking the Earth to the dramatic global climate change that occurred 12,900 years ago.

“I’d say there’s evidence of an impact happening, for sure,” Sharma tells Nature. The researchers recovered minerals in Pennsylvania similar to those found in Quebec, where Sharma and his colleagues believe the impact took place, Nature reports.

Read the full story, published 9/2/13 by Nature.