On June 30, 1908, in Tunguska, Siberia, was recorded one of the most powerful explosions in history, which devastated in an instant a whole forest area fortunately uninhabited.
60 million trees were cut down, the power of the explosion was estimated to be 1,000 times that of the bomb that destroyed Hiroshima.
An exceptional luminosity in the middle of the night is noted during several days in Europe, so much so that one could read the newspaper at night in the Caucasus.
In 2013, the discovery of three meteorite fragments lifted part of the mystery, and moved towards the hypothesis of a meteorite.
The event would be well due to a meteorite, however this one would not have struck the ground, nor exploded in flight, but would have bounced on the atmosphere. This body would have flown over the earth, then would have left in direction of the Sun. This hypothesis has the advantage of explaining the absence of impact crater and debris
On June 30, 1908, in Tunguska, Siberia, was recorded one of the most powerful explosions in history, which devastated in an instant a whole forest area fortunately uninhabited.
60 million trees were cut down, the power of the explosion was estimated to be 1,000 times that of the bomb that destroyed Hiroshima.
An exceptional luminosity in the middle of the night is noted during several days in Europe, so much so that one could read the newspaper at night in the Caucasus.
In 2013, the discovery of three meteorite fragments lifted part of the mystery, and moved towards the hypothesis of a meteorite.
The event would be well due to a meteorite, however this one would not have struck the ground, nor exploded in flight, but would have bounced on the atmosphere. This body would have flown over the earth, then would have left in direction of the Sun. This hypothesis has the advantage of explaining the absence of impact crater and debris
On June 30, 1908, in Tunguska, Siberia, was recorded one of the most powerful explosions in history, which devastated in an instant a whole forest area fortunately uninhabited.
60 million trees were cut down, the power of the explosion was estimated to be 1,000 times that of the bomb that destroyed Hiroshima.
An exceptional luminosity in the middle of the night is noted during several days in Europe, so much so that one could read the newspaper at night in the Caucasus.
In 2013, the discovery of three meteorite fragments lifted part of the mystery, and moved towards the hypothesis of a meteorite.
The event would be well due to a meteorite, however this one would not have struck the ground, nor exploded in flight, but would have bounced on the atmosphere. This body would have flown over the earth, then would have left in direction of the Sun. This hypothesis has the advantage of explaining the absence of impact crater and debris
On June 30, 1908, in Tunguska, Siberia, was recorded one of the most powerful explosions in history, which devastated in an instant a whole forest area fortunately uninhabited.
60 million trees were cut down, the power of the explosion was estimated to be 1,000 times that of the bomb that destroyed Hiroshima.
An exceptional luminosity in the middle of the night is noted during several days in Europe, so much so that one could read the newspaper at night in the Caucasus.
In 2013, the discovery of three meteorite fragments lifted part of the mystery, and moved towards the hypothesis of a meteorite.
The event would be well due to a meteorite, however this one would not have struck the ground, nor exploded in flight, but would have bounced on the atmosphere. This body would have flown over the earth, then would have left in direction of the Sun. This hypothesis has the advantage of explaining the absence of impact crater and debris
About 12,000 years ago, a large cometary explosion melted a vast area of the Atacama Desert in Chile. The heat was so important that the sandy soil was transformed into silicate glass.
The minerals discovered in the Pica Glas correspond to the composition of the material brought back to Earth by the NASA Stardust mission, from the comet Wild 2. The analysis led to the discovery of minerals found in meteorites :
Cubanite, troilite and inclusions rich in calcium and aluminum.
The dating of the impact about 12000 years ago, coincides with the mass extinction in South America of large mammals.
This current theory can however be contested by new theories.
The Atacamaites were discovered in the Atacama desert in Chile.
They are black and glassy objects of about 1 cm, they were formed following an impact about 7.8 million years ago.
Their small size, heterogeneity, state of oxidation and level of contamination distinguish them from tektites, which is why a study conducted by J. Gattacceca, Bertrand Devouard, Jean-Alix J-A Barrat, Pierre Rochette, M.L. Balestrieri, G. Bigazzi, G. Ménard, F. Moustard, E. dos Santos, R. Scorzelli, proposes to name them “tektoids”.
The impactor was an iron meteorite, most probably of the IIAB group.
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