Tuesday, September 19, 2006

Was evolution of life advanced by comet showers

Was evolution of life advanced by comet showers?

 

Researchers analyzing the history of impact cratering on the moon has reported a surprising increase in the frequency of impacts over the past 400 million years.

 

This sudden increase coincides with the "Cambrian explosion," a period in which life on Earth took off with a dramatic burst in the number and diversity of species.

Full spaceflightnow.com article

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