A blazing meteor streaks through the sky over Chelyabinsk, Russia, on Friday. Scientists think the rock weighed about 10 tons. Its explosion injured more than 1,000 people, blew out thousands of windows and tore down brick walls.

Scientists believe the space rock tore through the ice of Chebarkul Lake, 930 miles east of Moscow.

Chelyabinsk, Russia, municipal workers repair damaged power lines outside a zinc factory that had 6,000 square feet of roof and wall ripped apart when a meteor exploded over the city Friday.