Space monitoring instruments recorded
outbreak in the lower layers of the atmosphere, according to revised data, this
was one meteorite that burned down when approaching the Earth and falling
apart, told in the information Russian Emergencies Ministry.
Seismic USGS recorded the explosion occurred on a Friday car in Chelyabinsk - seismic vibrations correspond earthquake of magnitude 4.
Stations in
the 15 February at 3 hours 20 minutes 26 seconds Greenwich recorded impulse
magnitude 4 at coordinates 55.15 degrees north latitude and 61.41 degrees east
longitude - 1 km to the south-west of Chelyabinsk.
The
explosion in the area of Chelyabinsk on Friday recorded in 11 out of 45
infrasound monitoring stations of the Comprehensive Test Ban Treaty. A plume of
smoke was generated from the car rented by European and American satellites.
On Friday
morning, residents of several regions of the Urals observed flying car - a
fireball with a smoky tail. The fall ended with a bright flash and a powerful
explosion. In Chelyabinsk, a building which was close to the epicenter were
damaged by the shock wave of explosion, smashed about 100 thousand square
meters of glass, about 12 thousand people sought medical help.
According to
experts of NASA, the Earth's atmosphere has become a cosmic body size of 17
meters and weighing about 10 tons. Velocity of the object at the time of entry
into the atmosphere was about 18 kilometers per second; it was flying at a
small angle to the surface - no more than 20 degrees, so the flight lasted
about 32 seconds. At an altitude of about 20 kilometers, an explosion occurred,
the amount of released energy in line 500 kilotons of TNT, about 30 powerful
bombs exploded in Hiroshima.
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