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expedition

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External link to UniBO
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On June 30th, 1908,
something exploded 8 km
above the Stony Tunguska river.
About 2150 square kilometres of
Siberian taiga were devastated
and 80 millions trees were
overthrown. Up to now, it is
not clear whether the great
explosion was due to a comet or
an asteroid or something else.
We are searching for an answer.


Tunguska region in 1938:

Portion of one of the photos from
Kulik's aerial photographic survey
(1938) of the Tunguska region.

The parallel fallen trees indicate the
direction of the blast wave.







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Some Videos










Helvetica, Sans-Serif" size="-1">  
1991 Raices de rboles
        
Helvetica, Sans-Serif" size="-1"> 
1999 The aerosurvey

         
Helvetica, Sans-Serif" size="-1">

  1999 The cores
      
      
Helvetica, Sans-Serif" size="-1">

 2007 A possible crater
 
      
Helvetica, Sans-Serif" size="-1">
2008 Drowned forest
      
Helvetica, Sans-Serif" size="-1">
2010 Clavius crater
  
            

To see enlarged figures with captions, click on the thumbs.               


To see the video list, click on "Some videos".                




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Updated: 18 April 2011

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Feel free to use these photos.

We only ask you to refer to our web site:
http://www-th.bo.infn.it/tunguska/.Thank
you very much






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