Video: J.M. Madiedo - University of Huelva - http://rt.com/news/spain-fire-ball-meteorite-878/
The explosion as the fireball entered the atmosphere sparked comparisons with the 500-kiloton explosion caused by the meteorite that fell over the Russian city of Chelyabinsk in February. Although the meteorite measured only a few meters in diameter, scientists estimated that the initial explosion was comparable in power to a nuclear bomb.
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