On 30 June 1908, a powerful explosion occurred over an isolated region of Siberia near the Podkamennaya Tunguska River. The blast was 1000 times more powerful than the bomb dropped on Hiroshima, registered 5 on the Richter scale and is thought to have knocked down some 80 million trees over an...
First Tunguska meteorite fragments reportedly found by Russian mineralogist
Thursday, May 2, 2013
First Tunguska meteorite fragments reportedly found by Russian mineralogist
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