At an estimated 3 to 5 megatonnes of TNT equivalent, it was the biggest impact event in recorded history. By comparison, the meteor that struck the Russian region of Chelyabinsk earlier this year 'merely' packed 460 kilotonnes of TNT equivalent."
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Friday, June 14, 2013
Rock samples suggest meteor caused Tunguska blast
Rock samples suggest meteor caused Tunguska blast : Nature News & Comment: "On 30 June 1908, a powerful blast ripped open the sky near the Podkamennaya Tunguska river in Russia and flattened more than 2,000 square kilometres of forest. Eyewitnesses described a large object tearing through the atmosphere and exploding before reaching the ground, sending a wave of intense heat racing across the countryside.
At an estimated 3 to 5 megatonnes of TNT equivalent, it was the biggest impact event in recorded history. By comparison, the meteor that struck the Russian region of Chelyabinsk earlier this year 'merely' packed 460 kilotonnes of TNT equivalent."
At an estimated 3 to 5 megatonnes of TNT equivalent, it was the biggest impact event in recorded history. By comparison, the meteor that struck the Russian region of Chelyabinsk earlier this year 'merely' packed 460 kilotonnes of TNT equivalent."
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