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February 15, 2013

Tunguska 2 Averted by a Fraction of a Second

The Tunguska explosion involved a comet/asteroid at least 300 feet wide exploding 3-6 miles above Siberia in 1908. The meteor that detonated above a Russian city earlier today was far, far smaller, and went off at a far higher altitude. So how close did the city of Chelyabinsk come to doom?
Consider this: a ten-meter stony asteroid exploding at the altitude of the Tunguska visitor would pack the same punch as the Fat Man bomb. This rock was much bigger, with a mass of 7000 tons. Had the explosion occurred a fraction of a second later in the meteor's descent, over a populated area like Chelyabinsk, most if not all of the dash cam owners who uploaded to youtube would have been fried, along with much of the town.

posted by CAC at 07:02 PM

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Consider this: a ten-meter stony asteroid exploding at the altitude of the Tunguska visitor would pack the same punch as the Fat Man bomb. This rock was much bigger, with a mass of 7000 tons. Had the explosion occurred a fraction of a second later in the meteor's descent, over a populated area like Chelyabinsk, most if not all of the dash cam owners who uploaded to youtube would have been fried, along with much of the town. posted by CAC at 07:02 PM \| Access Comments <script language="javascript" src="http://adserver.adtechus.com/addyn/3.0/5235/1131537/0/170/ADTECH;loc=700;cookie=info;target=_blank;key=key1+key2+key3+key4;grp=[group]"></script><noscript><a href="http://adserver.adtechus.com/adlink/3.0/5235/1131537/0/170/ADTECH;loc=300;key=key1+key2+key3+key4;grp=[group]" target="_blank"><img src="http://adserver.adtechus.com/adserv/3.0/5235/1131537/0/170/ADTECH;loc=300;key=key1+key2+key3+key4;grp=[group]" border="0" width="300" height="250"></a></noscript>	Recent Comments [/i][/b]andycanuck (hovnC)[/s][/u]: "Maral Salmassi @MaralSalmassi Despite claims made ..." jimmymcnulty: "Are Australian pizzas served upside down. Asking ..." 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