Fireball over Arizona explained by NASA

NASA is giving us new insight into a fireball spotted over Arizona skies on Tuesday. NASA says it first became visible at 49 miles over the Big Horn Mountains Wilderness west of Tonopah. It moved southwest over the I-10 at 32,300 mph. The fireball is estimated to have weighed about 150 pounds. When it broke up, it released the same amount of energy as nearly two tons of TNT.

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