Space shuttle science shows how 1908 Tunguska explosion was caused by a comet
Wednesday, June 24, 2009 - 14:56
in Astronomy & Space
The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion is supported by an unlikely source: the exhaust plume from the NASA space shuttle launched a century later.
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