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[November 7 AFP] the meteorite which fell to central Russia Chelyabinsk (Chelyabinsk) in February, this year, The paper to which it is supposed that the diameter at the time of rushing into the atmosphere had tens times as much energy as the Hiroshima type atomic bomb at 19 meters was announced by English science journal Nature (Nature) on the 6th.
According to the scientist of Czechoslovakia and Canada who advanced analysis to the key, the fragment of the image photoed at the time of ?, or a sound and the collected meteorite is said that this meteorite has a high possibility that it was a part of huge asteroid “86039” 2 km in diameter.
This asteroid that approaches the orbit of the earth periodically was observed for the first time in 1999.
It is concluded that the meteorite at the time of rushing into the atmosphere of ? earth weighed about 12,000 tons, and it is said that the amount of energy which converted this weight corresponds by 27?41 times the atomic bomb dropped in Hiroshima in 1945.
In the original presumption, the diameter of the meteorite was 17 meters and about 10,000 tons in weight.
It is said that the ingredient of ? and this meteorite is the same kind as the particulates of the asteroid “Itokawa (Itokawa)” which is “LL chondrite” considered to be a minority group by the rock which exists in an asteroid belt, and the asteroid probe “Hayabusa (Hayabusa)” of Japan collected.