NASA confirmed a meteor exploded off the Massachusetts coast Saturday afternoon, producing the loud boom heard across the state around 2:11 p.m. Officials say the object was about five feet wide and roughly 5.6 metric tons, and that it released energy equivalent to about 230 tons of TNT after traveling 26 miles and breaking up near 31 miles altitude. Investigators are reviewing observations to determine whether any debris fell into the ocean, and the event underscores the value of public reports for locating fragments.
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