Thursday, November 7, 2013

Smaller asteroids are more dangerous...

Smaller asteroids are more dangerous...  Not because each causes more damage than a big one, but because there are so many of them – probably over a million.  Scientists studying the Chelyabinsk meteor of February 15 this year are discovering that these smaller asteroids can cause more damage (especially from their shock wave) than previously estimated.  Science Daily, Wall Street Journal.

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