Monday, April 12, 2010

Did A Comet Trigger A Mini Ice Age?

A sudden plunge of global temperatures 12,900 years ago may have been caused by a comet impact, a British researcher argues. Credit: U.S. Geological Survey

From Cosmos/AFP:

PARIS: A sudden plunge of global temperatures at the dawn of human civilisation may have been caused by a comet impact, a British researcher argues.

Known as 'the Younger Dryas', it has been also called the Big Freeze and the Last Blast of the Ice Age - but for researchers trying to understand the Earth's ancient climate, it's one of the big mysteries of the field.

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