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Topic: Lower Tunguska


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In the News (Tue 5 Jun 12)

  
  Tunguska - Wikipedia, the free encyclopedia
Tunguska (Тунгуска) is a remote, largely uninhabited region in Siberia, Russia.
It is known most prominently for what has become known as The Tunguska Event, an enormous impact event near the Stony (Podkamennaya) Tunguska River at about 7:17 AM local time, on the morning of June 30, 1908.
This event is peculiar in that while it felled an estimated 60 million trees over 2,150 square kilometres, it did not leave a crater.
en.wikipedia.org /wiki/Tunguska   (231 words)

  
 THE 1998 KRASNOYARSK CONFERENCE ON THE 1908 TUNGUSKA EVENT
The epicentre of the Tunguska explosion is 70 km to the south-east of the centre of the Tunguska hexagon, in the northern ring of the circles of the Vanavara group belonging to the local circular structures singled out according to the magnetic data.
From the Yenisei to the Baikal and to the Stony Tunguska a cosmic ice-fall was observed.
The Tunguska meteorite is among the outstanding and unique events in the history of meteorites and astronomy.According to the present materials it is possible to trace the history of studying the nature of this phenomenon.
www.geocities.com /CapeCanaveral/Cockpit/3240/conf98.htm   (17773 words)

  
 Tunguska event - Enpsychlopedia   (Site not responding. Last check: 2007-11-06)
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.
The curious effect of the Tunguska explosion on the trees near ground zero has been observed during atmospheric nuclear tests in the 1950s and 1960s, and is due to the shock wave produced by such large explosions.
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.grohol.com /psypsych/Tunguska_event   (3049 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].
All of the old trees that survived on the peat hillocks show searing only on the lower parts of their trunks, which indicates that the fire moved along the ground; this is natural in view of the high degree of thinning of woody growth in peat bogs...
abob.libs.uga.edu /bobk/tungmet.html   (10492 words)

  
 SILURIAN - LoveToKnow Article on SILURIAN   (Site not responding. Last check: 2007-11-06)
The Silurian rocks may occur in close continuity with the upper Ordovician, as in S. Europe; or, as in the typical region, the Liandovery beds may rest unconformably upon older rocks; in N. America also there is a marked unconformity on this horizon.
Limestones of lower and middle Silurian age are found also in Timan, Tunguska and elsewhere in N. Russia.
Lower cephalopod Upper Oesel Salina beds of Onondaga limestone.
www.1911encyclopedia.org /S/SI/SILURIAN.htm   (2453 words)

  
 The Tunguska event
It is generally accepted that the Tunguska event resulted from the catastrophic disruption of a large meteor high above the ground.
The equations of motion were numerically integrated for a wide range of bolides and entry conditions, while the body's mass was decreased according to the ablation rate.
As a result, carbonaceous chondrites 50-100 meters in diameter are found to airburst in the 6-10 km range characteristic of the Tunguska object.
web.utk.edu /~comet/papers/nature/TUNGUSKA.html   (658 words)

  
 [No title]   (Site not responding. Last check: 2007-11-06)
The explosion on the Podkamennaya Tunguska River was the most striking event in the several anomalies that occurred during that summer of 1908.
Another complication is that the Nizhnaya Tunguska data suggest, virtually unambiguously, that the bolide's flight occurred in the afternoon, whereas the data from the Angara River identify it as an early morning flight.
Since the chemical composition of the Tunguska object in its dominant conventional models is identical to that of a comet nucleus or to a carbonaceous chondrite, verification of this data would be of crucial importance to the Tunguska problem.
www.galisteo.com /tunguska/docs/tmpt.html   (5858 words)

  
 IMPACT!
Since here we are interested in the dynamics of a meteoroid large enough to reach the lower atmosphere, the fluid can be treated as a continuum.
Note that after the Tunguska event no meteorite was recovered, so the argument the meteorites are usually cold immediately after landing does not rule out this kind of thermal explosion in this case.
The italian researchers found several microspherules in trees, that are remnants of the Tunguska Cosmic Body (TCB).
www-th.bo.infn.it /tunguska/impact   (1808 words)

  
 AllRefer.com - Tunguska (CIS And Baltic Physical Geography) - Encyclopedia
Tunguska [toon-g OO s´k u ] Pronunciation Key, name of three eastern tributaries of the Yenisei River, Siberian Russia.
The rivers cut across the swampy forests of E central Siberia, draining the Tunguska Basin.
Verkhnyaya Tunguska [verk´ny u y u toon-g OO s´k u ] Pronunciation Key, is the name given to the lower course of the Angara River.
reference.allrefer.com /encyclopedia/T/Tunguska.html   (280 words)

  
 Document Title   (Site not responding. Last check: 2007-11-06)
However, the work by the first postwar Tunguska expedition, organized in 1958 by the Committee on Meteorites of the USSR Academy of Sciences (KMET), compelled everyone involved in the discussion to agree: the Tunguska space body had in fact exploded in the air and therefore could hardly have been an ordinary meteorite.
The hypothesis of a thermal explosion, according to which the Tunguska space body was a meteorite or the core of a small comet that exploded as a result of the rapid deceleration in the lower atmosphere, met with difficulties.
The basic facts of the Tunguska phenomenon can be set forth as follows: (1) The explosion was just the most striking event in a set of large-scale atmospheric anomalies that occurred in the summer of 1908 and were Probably interrelated.
www.ufo.freewire.co.uk /tunguska.htm   (4198 words)

  
 How Dangerous are Earth-Crossing Objects?   (Site not responding. Last check: 2007-11-06)
Tectonic Interpretation Of The 1908 Tunguska Event by Andrei Yu Ol'khovatov suggests that the Tunguska event was entirely seismic in nature and not the result of an impact event.
Tunguska Catastrophe from the Siberian Center for Universal Catastrophe is a nascent site which intends to offer a large collection of data about the Tunguska event.
Tunguska Meteorite Paradox (1908-1998) by A. Zlobin suggests the Tunguska event was caused by significant magnetohydrodynamic effects from the destruction of a comet fragment in the atmosphere.
www.pibburns.com /catastro/impacts.htm   (6417 words)

  
 .:Evenkia Autonomous Area
Ecological condition of river Velmo is in crisis, its water is not complying with the government standards.
Nijnaya Tunguska and its additional system have 24 kinds of fish, P.Tunguska has 20 kinds of fish, Putoranski lakes have 13 kinds of fish.
Ichthyfauna of lower reaches of the river is the richest.
www.evenkya.ru /eng?id=nedra&sid=voda   (322 words)

  
 Snowball in Siberia, Alaska Science Forum   (Site not responding. Last check: 2007-11-06)
One of the major mysteries of the century is the violent explosion occurring June 30, 1908 over the Stony Tunguska River, north of Lake Baikal in central Siberia.
Helens eruption, the Tunguska blast felled forests in the vicinity.
Whereas certain characteristics of the Tunguska explosion fit with the idea of a meteorite or comet exploding upon impact with the earth's dense lower atmosphere, more than a few investigators have thought there has to be another explanation.
www.gi.alaska.edu /ScienceForum/ASF4/400.html   (339 words)

  
 Scott Polar Research Institute » Russian North and Far East Regions   (Site not responding. Last check: 2007-11-06)
The main waterways in Evenkia are the Nizhnyaya Tunguska and the Podkamennaya Tunguska.
However, mighty rapids in the lower courses of both rivers conside rably inhibit the transport.
Parts of the Baykitskiy Rayon are included in the Tsentral'nosibirskiy Biosfernyy Rezervat (Central Siberian Biosphere Reserve), the centre of which is located in the village of Bor at the mouth of the Podkamennaya Tunguska (outside of Evenkia).
www.spri.cam.ac.uk /resources/rfn/evenki.html   (2722 words)

  
 The Global Guardians Encyclopedia: G - H   (Site not responding. Last check: 2007-11-06)
The wonder or fear the general public feels watching their actions on the news or reading about it in the papers gave the same effect as they experienced from being worshipped long ago, sustaining them.
THE GRAND GULAG: The underground "meta-prison" known as the Grand Gulag was originally founded by Joseph Stalin in 1927 as a forced labor camp after the discovery of catalyte near Tunguska in Siberia.
HELL: Existing on a lower plane from Earth, Hell is a blasted volcanic wasteland where evil souls (or at least those who follow Christianity) go to be punished when they die.
www.globalguardians.com /encyclopedia/encyclopediagh.php   (2316 words)

  
 Troubled Times: Tunguska   (Site not responding. Last check: 2007-11-06)
In February, 1996 ZetaTalk stated that Tunguska was due to methane released during an earthquake; articles and discussion with Russian scientists in March 1997 showed the Tectonic Explanation more accurate, backed by Iridium Concentration and Radiocarbon data, and Andrei Yu Ol'khovatov and the BBC argue that with Methane Evidence.
The isotopic ratio for Tunguska epicenter's REE measured in the place of the most REE enrichment is the terrestrial one.
The latest published calculations of the hypothetic Tunguska spacebody's explosion show that a plasma column of the remnants was to strike the ground.
www.zetatalk.com /theword/tword23j.htm   (536 words)

  
 UFO Evidence : The Tunguska Event - Siberia, 1908
The scientists, who belong to the Tunguska space phenomenon public state fund, said they found the remains of an extra-terrestrial device that allegedly crashed near the Tunguska river in Siberia in 1908.
The Tunguska Explosion is by many considered to be caused by an exploding UFO over Siberia, Russia in 1908.
A mighty midair explosion over a remote Siberian swamp is still sending echoes around the world, seven decades after it happened, Near the Tunguska River, in the summer of 1908, an object from outer space was annihilated in a detonation as powerful as a modern hydrogen bomb.
www.ufoevidence.org /topics/Tunguska.htm   (913 words)

  
 My UFO: Tunguska   (Site not responding. Last check: 2007-11-06)
At 7.00am on 30th June 1908 near the lower Tunguska River, Siberia, a large explosion occurred.
Another puzzle for the expedition was the way the tress were felled in an outward motion and that in the centre an area of trees were still standing, although all their bark and branches have been destroyed.
As a result of this various scientists speculated that a nuclear explosion had taken place over the area, hence explaining the tree formation, and because no nation possessed nuclear device the logical conclusion was that it was from an exploding alien nuclear powered craft.
www.myufo.com /mt/2005/03/tunguska.html   (371 words)

  
 Mystery of Tunguska or about monsters again. Material of a site of the "Channel ORIS. Sirius - Pleiades - Earth."
The rough energies little by little captured his lower bodies - Consciousness and since very then the total Aura of his ball-like body turned from the goldery into ruby-red, which proved that his spirit degraded considerably and his might is lost.
Thought his Supreme Consciousness is beyond the lower energy of his material Work, but the Consciousness of Red, Orange and Green out of his seven bodies have considerably strengthened for the recent time and obtained more power over the whole Consciousness of his ball-like plasma Essence.
Those small astral creatures were of no danger to the Prince of Darkness, for due to the lack of enough energy could not merge and generate themselves.
oris_en.chat.ru /tunguska.htm   (1879 words)

  
 Siberia
The presence of aquatic fauna in tuffs of the lower 1100 m of the volcanic sequence shows that these tuffs accumulated in shallow-water lakes or lagoons, in paleogeographic conditions similar to those which prevailed during deposition of the Tungusskaya Series.
The lower part of the volcanic sequence, ~ 1800 m thick and composed mainly of lava flows at Noril'sk, grades laterally to the east (in the Maymecha-Kotuy area, see Figure 1) into a suite ~ 350 m thick in which tuffs predominate ( Fedorenko and Czamanske, 1997).
Zorin and Vladimirov (1989) interpret super-deep seismic data to indicate that the lithosphere is presently 180 - 200 km thick beneath the Tunguska basin and conclude that it was of comparable thickness in the Late Permian.
www.mantleplumes.org /Siberia.html   (5913 words)

  
 150 Tunguska Links
http://zetatalk.com/science/s57.htm ZetaTalk: Tunguska Explosion A source of endless speculation is the wide area of flattened trees, spread outward in acircle, the result of an apparent explosion that occurred just after the turn of the century in Siberia.
http://kalvos.org/bazzr058.html The Essay Show #58The Tunguska Firebird David Gunn At sunrise on a June afternoon 88 years ago today, the oncetranquil area near the Tunguska River in Siberia -- that is, the Lower Tunguska, not the Upper Tunguska nor the Stony Tunguska Rivers, both of whichfollow their more famous sister...
TUNGUSKA : The CosmicMystery of the Century The explosions were heard in the early morning...
www.mysteries-megasite.com /main/bigsearch/tunguska.html   (1257 words)

  
 The UnMuseum - The Great Siberian Explosion
As the shocks settled down the whole region around the Tunguska was showered with "fl rain": condensation mixed with dirt and debris sucked into the swirling vortex of the explosion and thrown out again.
He was also intrigued by the mystery of the Tunguska blast and quickly found connections between the two.
If the Tunguska meteor was made of anti-matter it would have exploded violently when it came into contact with the thick, lower atmosphere.
unmuseum.mus.pa.us /siberia.htm   (1719 words)

  
 Evenki view of the Tunguska event.
For a long time, there had been tribal feuds between a group of Tungus clans in the basin of the Stony Tunguska and clans living along the right tributaries of the Lower Tunguska.
: Podkamennaya Tunguska) and the "Mittlere Tunguska" which is mentioned in the title of the text are one and the same river.
[The Ilimpiya is a tributary of the Lower Tunguska ( russ.
abob.libs.uga.edu /bobk/evenkiv.html   (1081 words)

  
 The Space Library: Roy A. Gallant's Meteorite Hunter
The name comes from a Tartar word meaning “daredevil,” one who has shunned all ties with his social class and becomes a free spirit as ready to fight as gulp down a measure of vodka.
Their stronghold was the land forming the lower reaches of the Don and Volga rivers.
His mission: To uncover the mystery surrounding what's known today as the Tunguska Event, the 1908 meteorite impact that was so great it exploded with a force 2000 times the size of the Hiroshima blast, its shockwave circling the earth twice.
www.space.com /spacelibrary/books/library_gallant_020208.html   (1087 words)

  
 [No title]
It nests on Nyzhnya Tunguska at Evenkian Eastern borders.
At Podkamennaya Tunguska upper waters - swallow is a usual duck.
Upper part is fl brown, lower part and near tail is white.
www.krasu.ru /evenkia_e/nat/b.html   (3815 words)

  
 Vurdalak | The Tunguska Event - An Imaginative Reconstruction
The Tunguska watershed that was home to his people sprawled across a third of a million square miles of Central Siberian plateau.
Pilya was shaman to all the Stony Tunguska clans.
As to that, it was tradition for the shaman’s oldest living male relative to beat the solstice drum and open the spirit-road to the Land of the Dead.
www.vurdalak.com /tunguska/tunguska_reconstructn.htm   (5050 words)

  
 russia
In the wetter regions of the middle and lower Ob and lower Artsy the
Situated in the lower valley of the Besymyanka - a tributary of the
Kan, Angara, Podkemennaya (stony) Tunguska, Nizhnaya (lower) Tunguska,
www.ostviking.homestead.com /russia.html   (4119 words)

  
 fUSION Anomaly. Tunguska
The name of three rivers of Siberian U.S.S.R. The Upper Tunguska is the lower course of the Angara River.
The Lower Tunguska flows about 3,218 km (2,000 mi) north and west to the Yenisei River.
The most probable cause of the Tunguska incident was a strike by a small comet.
fusionanomaly.net /tunguska.html   (862 words)

  
 Untitled   (Site not responding. Last check: 2007-11-06)
In 1908, an impact with a comet or asteroid caused an area of devastation of 1000 sq km in the Tunguska River region of Siberia.
The Tunguska event was the equivalent of a 10-20 MT blast.
Their warheads pack a megatonnage much less than that of the Tunguska asteroid, but they are better targeted and more numerous.
www.sitewave.net /cdp/V10_02.htm   (2018 words)

  
 NASA NEO News: Damage from small impacts | SpaceRef - Your Space Reference
There are many sources of uncertainty, including (1) imprecision in the 30 m estimate of diameter, (2) unknown physical and chemical nature of he asteroid, and (3) dependence of damage on the target location.
In addition, there are uncertainties in the calculations, since the nominal size of 30 m lies near the lower limit for penetration of the atmosphere.
While it may have been significantly decelerated in the upper atmosphere, the Tunguska impactor still produced a very destructive explosion of about 10-15 megatons energy when it disintegrated at an altitude of 6-8 km.
www.spaceref.com /news/viewsr.html?pid=12344   (1279 words)

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