14 November 2006

Catastrophic impacts common?

There's an interesting article in The New York Times Science section today: Ancient Crash, Epic Wave , which describes scientists' efforts to find evidence on earth for recent (within the last 10,000 years) asteroid hits. Apparently, some think they've found such evidence and they claim catastrophic impacts could happen every few thousand years.
I guess they used Google Earth for some of their studies.
It sounds like great story material.

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