New England, meteor and loud boom
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The fireball was as heavy as an elephant and 5 feet wide and was going 42,000 mph when it entered Earth’s atmosphere. It broke up miles above New England on Saturday and the energy released was equivalent to about 230 tons of TNT, the agency estimated, accounting for the booms.
The sound many people heard, NASA confirmed, was a sonic boom caused by a meteor breaking apart when traveling through Earth's atmosphere.
NASA has confirmed that a bright fireball meteor exploded in the sky over New England on Saturday (May 30), releasing the equivalent energy of about 230 tons of TNT and generating a sonic boom heard across multiple U.S. states and two Canadian provinces.