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Chelyabinsk meteor explosion over Russia 10 years ago was a planetary defense wakeup call
Space via Yahoo News· 1 year agoOn Feb. 15, 2003, a meteor exploded over the Russian city of Chelyabinsk, showing why we need better...
On Feb. 15, 2003, a meteor exploded over the Russian city of Chelyabinsk, showing why we need better...