Russian meteor million of years old

The meteor that exploded over Russia last month probably broke off an asteroid and collided with another space body millions of years ago, a scientist says. “It was formed within an asteroid, separated from it, and then, tens of millions of years ago, it suffered a collision, receiving multiple cracks as a result,” Erik Galimov of the Russian Academy of Sciences said Thursday. The meteor entered the atmosphere and exploded Feb. 15, causing a massive sonic boom that blew out windows and damaged thousands of buildings around the city of Chelyabinsk, injuring over 1,500 people. “It was because…

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