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Tunguska: New Explanation

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A new computer simulation has shown that the forest devastation at Tunguska in 1908 (pictured) may have been caused by an asteroid much smaller than previously thought. Since smaller asteroids approach Earth with more frequency than bigger ones, "We should be making more efforts at detecting the smaller ones than we have till now," said Sandia investigator Mark Boslough. More at Science Daily(1).

1. http://www.sciencedaily.com/releases/2007/12/071218122415.htm


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