What triggered a huge explosion in Siberia in 1908?

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Offline thedoc

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Scientists have recovered material from a gigatic explosion in 1908 which destroyed thousands of square kilometres of Siberian forest...

Read the whole story on our website by clicking here

 [chapter podcast=1000399 track=13.06.13/Naked_Scientists_Show_13.06.13_1000889.mp3] or Listen to the Story[/chapter] or [download as MP3]
« Last Edit: 17/06/2013 14:02:45 by _system »

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Offline starbuck1963

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Re: What triggered a huge explosion in Siberia in 1908?
« Reply #1 on: 02/10/2013 03:15:56 »
Airburst of a asteroid or comet about the size of a big house and traveling at 25-50,000 kph.