Fallen to the ground in the area of Chelyabinsk meteorite weighed about 10 tons, and its energy was a few kilotons. Such data are the Academy of Sciences of Russia. Heavenly body fell into the atmosphere at a speed of 15-20 kilometers per second, collapsed at an altitude of 30-50 km, the movement of the fragments at high speed caused a powerful glow and a strong shock wave.
The main part of the substance of the falling body was burned, and the fragments that remain stalled and could fall to the ground as meteorites.
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