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PITTSBURGH (AP) — A meteor that caused an earthshaking boom over suburban Pittsburgh on New Year’s Day exploded in the atmosphere with an energy blast equivalent to an estimated 30
Pittsburgh (US), Jan 4: A meteor that caused an earthshaking boom over suburban Pittsburgh on New Year’s Day exploded in the atmosphere with an energy blast equivalent to an estimated 30 tons (27,216 kg) of TNT, officials said. NASA’s Meteor Watch social media site said late Sunday a “reasonable assumption” of the speed of the meteor at about 45,000 mph (72,420 kph) would allow a “ballpark” estimate of its size as about a yard in diameter with a mass close […]