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New and unexpected data Chelyabinsk meteorite
Speakers at the conference on August 27, “Goldschmidt-2013” in Florence, scientists from the Siberian Branch of Russian Academy of Sciences said that according to their research, which fell in the Russian Urals, February 15, meteorite before entry into our atmosphere has undergone a process of strong heating and melting. Scientists who managed to get to the fallen meteorite fragments, said that after analyzing several fragments, they found that their structure and texture have traces of melting.
“Among all the pieces that we have analyzed, only three of them showed clearly in favor of what they had previously undergone metamorphism and melting,” – said Dr. Victor Sharygin of the Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences.
Scientists believe that the meteorite while still in space, it could not face another cosmic body in our solar system. Another assumption is the possibility that the meteorite passed too close to the sun, thus subjected to excessive heat, melted and lost some of his unit.
“A meteorite that fell near Chelyabinsk , refers to a type of chondrites LL5, who typically experience the melting process before entry into Earth’s atmosphere, “- said Dr. Sharygin.
At the moment, scientists can not yet give an exact answer to what kind of meteorite volume lost when faced with another cosmic body, but hope that the more information they will be able to find out soon after they are able to get to the main part of it fell into the Lake Tchebarkul.
It turns out that if not for this (yet mysterious) cosmic body, it is quite possible that the Earth stone flew much larger and would have caused far greater destruction.
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Tags: Meteors , Chelyabinsk .
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