History of Tunguska

	Revision 5 . . December 16, 2001 6:16 am by Vicki Rosenzweig [copyedit; explosion above surface; yes, the paper link works]
	Revision 4 . . (edit) December 14, 2001 9:15 am by CYD
	Revision 3 . . December 14, 2001 9:13 am by CYD [* Could someone check if the paper link is publicly accessible?]
	Revision 2 . . September 18, 2001 4:53 am by TwoOneTwo

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Changed: 1c1

Tunguska is a remote region in Siberia?, Russia. It is mostly known for an enormous explosion in the early morning of June 30 1908, which felled an estimated 60 million trees over 2,150 square kilometres. The size of the blast was estimated to be between 10 and 15 megatons? of TNT.

Tunguska is a remote region in Siberia?, Russia. It is mostly known for an enormous explosion in the early morning of June 30, 1908, which felled an estimated 60 million trees over 2,150 square kilometres. The size of the blast was estimated to be between 10 and 15 megatons? of TNT.

Changed: 3c3

Due to the remoteness of the region, the first expedition to the site only arrived in 1938, led by Soviet geologist L A Kulik. It found no crater, despite the large amount of devastation.

Due to the remoteness of the region, the first expedition to the site only arrived in 1938, led by Soviet geologist L. A. Kulik. It found no crater, despite the large amount of devastation.

Changed: 7c7

In scientific circles, the favored explanation for the blast is the impact of a meteorite. Whether the object was of cometary or asteroidal origin is still a matter of controversy.

In scientific circles, the favored explanation for the blast is the impact of a meteorite. A related suggestion is that a meteorite exploded just above the Earth's surface. Whether the object was of cometary or asteroidal origin is still a matter of controversy.