| A meteor streaked over the city of Chelyabinsk in Russia's Ural Mountains on Friday morning. |
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| Some industrious Chelyabinsk citizen has already offered to sell a piece of the meteor for a souvenir. |
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| The unprecedented data obtained as the result of the airburst of a meteoroid over the Russian city of Chelyabinsk on Feb. |
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| Fortum has commissioned unit 1 of its Chelyabinsk GRES combined heat and power plant in Russia. |
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| Local residents say they witnessed burning objects in the sky of the Chelyabinsk and Sverdlovsk regions. |
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| This definition excludes Sverdlovsk Oblast and Chelyabinsk Oblast, both of which are included in some wider definitions of Siberia. |
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| Paul Chodas of Nasa's near-earth object programme said events like Chelyabinsk were rare. |
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| The notable exception, it said, was the Chelyabinsk event on Feb. |
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| Meteor impacts such as February's explosion over Chelyabinsk, Russia, the most powerful observed in a century, may occur more frequently than thought. |
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