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Topic: Tunguska event

	Tunguska Comet Impact - 1908
		In accordance to strict final official position of Committee of meteorites of Russian Academy of Sciences (was stated in 1962, chairman - famous astronomer, academician V.G.Fesenkov) comet nature of Tunguska event was determined with conclusion of mainly southern direction of motion of meteor body (mainly from south to north).
		The distortion of Tunguska's trajectory was produced mainly by russian astronomer and member of Committee of meteorites V.A.Bronshten in the middle of XX century.
		Tunguska debate in the Institute for Dynamics of Geospheres (Russian Academy of Sciences) The meeting devoted to theoretical aspects of the Tunguska problem was held in the Institute for Dynamics of Geospheres (April 26, 1999).
	www.orc.ru /~azorcord/page_sob.htm (2258 words)

	Cool Science Facts: The Tunguska Event
		At 7:17 in the morning on June 30th, 1908, a huge explosion occurred several miles in the air above the Tunguska region of Siberia, with the force of a large nuclear blast.
		The scientists persuaded the government to fund the expedition, based on the assumption that iron from the meteorite could be retrieved and used by Soviet industry.
		Although impact events like these are statistically quite improbable, there is nevertheless a small possibility that at any moment, without warning, the city that you live in could be completely wiped out by a big rock from space.
	www.coolsciencefacts.com /2006/the_tunguska_event.html (356 words)

	Tunguska event of 1908 was to be of geophysical origin!
		It is based on the fact that the Tunguska spacebody explosion stimulation undertaken by Victor Korobeinikov with his co-workers has shown the internal energy of the spacebody to be commensurate with its kinetic energy to produce the existent forest fall (otherwise the hypothetical meteoroid could not "explode" switfly enough)[6].
		The southern border of the Tunguska event manifestation is the Lake Baikal rift.
		According to Zotkin, Nikolaev, and Peskov [2000] experiments with 26 trees in the epicenter of Tunguska event have estimated an average wind speed to uproot a tree in the epicenter's area as low as of 26 m/s (the rather low value is probably due to a shallowness of trees roots in the area).
	olkhov.narod.ru /tunguska.htm (19662 words)

	Tunguska phenomenon
		The event is now widely attributed in the astronomical community to the detonation of icy material from a comet in the Earth's atmosphere.
		The possibility that the Tunguska event could be explained by the collision of an antimatter meteorite was put forward in 1965 by by Clyde Cowan, C. Atluri, and Willard Libby [5], and supported by Gentry [8] in 1966.
		Rumble in the tundra: the Tunguska event revisited (Oct 30, 2001)
	www.daviddarling.info /encyclopedia/T/Tunguska.html (1809 words)

	PRELIMINARY RESULTS FROM THE 1961 COMBINED TUNGUSKA METEORITE EXPEDITION
		The great popular interest in the Tunguska meteorite that arose after the 1958 expedition was to a considerable extent fostered by the fantastic suggestion of a nuclear origin for the explosion, an idea based on factual material of questionable competence.
		The expedition of 1961 was organized on the initiative of the Committee on Meteorites on the basis of a decision taken by the Ninth Conference on Meteorites and the 30 September 1960 Decree of the Presidium of the USSR Academy of Sciences [17].
		Thus the problem of studying the material composition of the Tunguska meteorite is inseparably interwoven with the general study of meteoric dust, and part and parcel thereof.
	abob.libs.uga.edu /bobk/tungmet.html (10485 words)

	Tunguska Event (Site not responding. Last check: 2007-10-08)
		Tunguska is a remote area of north-central Siberia, Russia.
		The prevailing explanation of the Tunguska event was that a stony meteorite had exploded about 8 km above ground, leaving no surface depression and little debris but resulting in a shock wave that accounted for the terrible destruction.
		In later trips to map the zone and collect samples, some scientists found tiny spherules in the ground or small pieces embedded in trees but not all researchers were convinces these are pieces of space debris.
	mywebpages.comcast.net /scientia/Tunguska.htm (419 words)

	Tunguska event of 1908 had to be of geophysical origin!
		Since that time the situation with the "meteorite fall" Tunguska rather resembles a pendulum: one group of scientists turns up new strong evidences that Tunguska event couldn't have been caused by an asteroid made of stone or iron, thus it had to be caused a comet.
		The Tunguska event is also associated with other disturbances and anomalies, as, for example, unusual pattern of seismic manifestations, which also don't conform with the meteorite fall, but unfortunately, I have no time to discuss them.
		Tunguska event occurred exactly at the time of a maximum of atmospheric pressure strong upsurge in the region.
	www.geocities.com /CapeCanaveral/Cockpit/3240/tunguska.htm (3716 words)

	Paranormal News Magazine: The Tunguska Event: Unexplained Disaster (Site not responding. Last check: 2007-10-08)
		Tunguska is a remote, largely uninhabited region in Siberia, Russia.
		It is known most for what has become known as the Tunguska Event, an explosion that occured in June of 1908, leveling an estimated 60 million trees over 2,150 square kilometers.
		The prevailing theory among UFO theorists is that Tunguska event is the result of an exploding alien spaceship or an alien weapon going off to "save the Earth from an imminent threat".
	www.paranormalmagazine.com /2006/02/tunguska-event-unexplained-disaster.html (456 words)

	Brazo, M. W. & Austin, S. A. --- The Tunguska Explosion of 1908
		The Tunguska explosion occurred on the morning of June 30, 1908 at 7:17 A.M. local time (0h 17m 11s U.T.) in the area of the Stony Tunguska River with the coordinates of the epicenter being 60º55' N, 101º57' E (Krinov 1966).
		The similarity between the Hiroshima A-bomb devastation and the mysterious Tunguska effects gave rise to the notion that the 1908 event was caused by a man-made nuclear bomb.
		The last theory as to the cause of the Tunguska event is proffered by Jackson and Ryan (1973).
	www.grisda.org /origins/09082.htm (4121 words)

	Tunguska event - The Black Vault Encyclopedia Project (Site not responding. Last check: 2007-10-08)
		The Tunguska event was a natural explosion that occurred at Template:Coor dm, near the Podkamennaya (Stony) Tunguska River in what is now Evenkia, Siberia, at 7:17 AM on June 30, 1908.
		In recent history, the Tunguska event stands out as one of the rare large-scale demonstrations that a full doomsday event is a real possibility for the human race.
		In 1965, Cowan, Atluri, and Libby suggested that the Tunguska event was caused by the annihilation of a chunk of antimatter falling from space.
	www.blackvault.com /wiki/index.php/Tunguska_event (4760 words)

	Tunguska
		The motion path of the exploded body is such that it could hardly be a spaceship or a meteorite, the substance of which has never been found in the soil.
		In recent history, the famous Tunguska event stands out as one of the rare large-scale demonstrations that a full doomsday event is a real possibility for the human race.
		Back during the Soviet Union times a science-fiction writer Aleksandr Kazantsev suggested that the event was a result of a UFO explosion rather than a meteorite crash.
	wintersteel.homestead.com /Tunguska.html (1561 words)

	Tunguska: The Fire In The Sky - Part 2
		The most likely origin of the object that caused the Tunguska event is the short-period comet Encke, the acknowledged source of the Beta Taurid meteor shower.
		The prior "sky glows" associated with Tunguska could also be due to cometary fragments, lying along the comet's orbit in advance of the comet nucleus, entering the stratosphere and reflecting sunlight long after sunset.
		Almost 100 years after the event, the specialists are still debating whether the exploding object was a comet or an asteroid.
	www.rense.com /general69/tun2.htm (1903 words)

	The facts about the Tunguska event - Helium
		As the anniversary of one hundred years approaches, a re-examination of the events of 1908 in the Tunguska region of Siberia may once again raise questions as to what occurred there in June of that year.
		The Stony Tunguska River region was and is an isolated area consisting mostly of forests, peat bogs, mosquitoes and swamps.
		As his interest was in the Tunguska explosion of 1908, no questions were raised as to why so many craters were found at the same basic location.
	www.helium.com /tm/94145/tunguska-by-peggy-barnett-as-the-anniversary-of-one-hundred-years-approaches-a-re-examination-of-the (1878 words)

	Tunguska Explosion
		Tunguska is located in the Central Siberian Plateau, a sparsely populated, desolate region of peat bogs and pine forests.
		The comparative isolation of the Tunguska region is perhaps best illustrated by the fact that Kansk, one of the main railroad towns nearest the explosion, is 2,500 miles from Moscow and 3,000 from St. Petersburg -- a distance as great as from New York City to Los Angeles.
		Thus one is forced to evaluate this event as being of profound importance.
	www.halexandria.org /dward232.htm (1655 words)

	James Oberg: Tunguska Echoes
		The "Tunguska Event" remains a puzzle for science, even as it has become a fertile subject for science fiction and UFO speculation.
		A year later, he wrote a story in which the blast at Tunguska was represented as the result of an exploding nuclear power plant of a spaceship from Mars, which was seeking fresh water from Lake Baykal.
		According to a 1978 TV program, "The evidence supported the Soviet contention that Tunguska was the result of a nuclear holocaust," a conclusion directly counter to that of the experimenters themselves and a statement that falsely implies that Soviet scientists in general contended that the event was nuclear in origin.
	www.jamesoberg.com /ufo/tungus.html (2516 words)

	UFO.Whipnet.org \| Aliens \| UFO \| Tunguska: New Details
		Chemical analysis showed that the spheres contained high proportions of nickel and iridium, which are found in high concentrations in meteorites, and indicated that they were of extraterrestrial origin.
		Up till now, scientists believed that Tunguska event was caused by the airburst of an asteroid about 5 miles above the surface of the Earth.
		Whatever the original cause of the event is, much of the data supports that the cause resembled a nuclear explosion.
	ufo.whipnet.org /xdocs/tunguska.2004 (439 words)

	Tunguska Blast
		Tunguska Blast is a powerful dietary supplement originating from the miracle of 1908 in the Tunguska region of Russia.
		From among thousands of herbs, roots, and fruits reborn from the ashes of the mysterious Tunguska Event, scientists identified the ten most concentrated with therapeutic properties and natural nutritional benefits.
		Tunguska Blast: Nutrition as unique and significant as the event that made it possible.
	tunguskablast.com /askabouttheblast/blastProduct.asp (114 words)

	Russian Scientist Blames Global Warming on Tunguska Meteorite
		Shaidurov explains that there was a slight decrease in temperature until the early twentieth century, which flies in the face of current global warming theories that blame a rise in temperature on rising carbon dioxide emissions since the start of the industrial revolution.
		The Tunguska Event, sometimes known as the Tungus Meteorite is thought to have resulted from an asteroid or comet entering the earth’s atmosphere and exploding.
		The Tunguska Event was just such an event, and coincides with the period of time during which global temperatures appear to have been rising the most steadily — the twentieth century.
	www.propagandamatrix.com /articles/march2006/150306_b_Tunguska.htm (680 words)

	Tunguska Event: New Details and Sensational Theory
		The precise cause of the Tunguska event remains unknown.
		In scientific circles, the leading explanation for the blast is the impact of a meteorite.
		The new theory suggests that the event was a collision of a meteorite with an alien spaceship.
	www.physorg.com /news819.html (806 words)

	The Straight Dope: What caused the massive 1908 explosion in Tunguska, Siberia?
		My feeling is, we're talking about an extraterrestrial object with a mass of at least 100,000 tons that exploded with a force of 10 to 40 megatons of TNT and devastated 2,000 square kilometers of forest.
		The Tunguska whatever-it-was detonated six to eight kilometers above a remote section of the central Siberian plateau on June 30, 1908, at 7:14 AM local time.
		But details were so fragmentary, the site so distant, and conditions in Russia so unsettled that the event wasn't investigated until 1927, when Soviet scientist Leonid Kulik led an expedition to the blast zone, a vast region of scorched and flattened trees with their trunks all pointing toward ground zero.
	www.straightdope.com /columns/030228.html (836 words)

	Armageddon Online - The Tunguska event - Asteroid, Aerial Explosion
		The Tunguska event was an aerial explosion that occurred at 60° 55′ North, 101° 57′ East, near the Podkamennaya (Stony) Tunguska River in what is now Evenkia, Siberia, at 7:17 AM on June 30, 1908.
		He persuaded the Soviet government to fund an expedition to the Tunguska region, based on the prospect of meteoric iron that could be salvaged to aid Soviet industry.
		In 1965, Cowan, Atluri, and Libby suggested that the Tunguska event was caused by the annihilation of a chunk of antimatter falling from space.
	www.armageddononline.net /tunguska_asteroid_event.php (2154 words)

	Vurdalak \| What Caused the Tunguska Event?
		That hypothesis stood unchallenged for the nearly two decades that separated the Event itself from the first on-site investigation of it — two decades during which scientific inquiry had languished in Russia, preempted by war, revolution, and socio-economic upheaval.
		But perhaps most outlandish of all was the explanation concocted some six and a half decades after the event, by two young astrophysicists at the University of Texas in Austin.
		— That the Tunguska Event was nothing less than a collision between the earth and a submicroscopic fl hole.
	www.vurdalak.com /tunguska/cause/cause.htm (403 words)

	tunguska event
		It was caused by the impact and breakup of a large meteorite, at an altitude roughly six kilometers in the atmosphere.
		You can get a sense of the magnitude of this event by comparing observations made at different distances.
		"The 1908 Tunguska Explosion: Atmospheric Disruption of a Stony Asteroid".
	www.earthsci.org /fossils/space/tunguska/tunguska.html (1467 words)

	The Tunguska Crop Circle
		By all accounts the Tunguska event was a massive explosion, or series of explosions in rapid succession, which has been likened to the explosive force of 40 megatons of TNT, and 2,000 times more powerful than the nuclear bomb dropped on Hiroshima in 1945.
		Because of the remoteness of the region, the Tunguska event excited very little interest at the time, and for the next 20 years no attempt was made to determine its cause.
		Another interesting similarity between crop circles and the Tunguska event are the islands where the trees were not destroyed, and also the many ‘telegraph poles’ left standing at the epicentre.
	www.spiritualgenome.com /tunguska_crop_circle.htm (5495 words)

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