The Tunguska Impact--100 Years Later | Science Mission ...
That's how the Tunguska event felt 40 miles from ground zero. Today, June 30, 2008, is the 100th anniversary of that ferocious impact near the Podkamennaya Tunguska River in remote Siberia--and after 100 years, scientists are still talking about it. "If you want to start a conversation with anyone in the asteroid business all you have to say is ...
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