The Tunguska Catastrophe is the Consequence of a Series of Explosions of Comet Nucleus Fragments . ... For the first time in history of Tunguska research the generalized concept of all essential phenomena starting with the most probable origin of tandem comet nucleus fragments intruding into the Earth's atmosphere up to the detonation of these products and the disintegration and meteorological, climatic, atmospheric, and geomagnetic consequences of this event is presented. ...