Core Viewpoint - A 7-ton meteorite disintegrated over the eastern United States, causing alarm among residents who mistook the event for an explosion [1][4]. Group 1 - The meteorite was observed to be approximately 1.83 meters in diameter and was traveling at a speed of about 72,400 kilometers per hour [4]. - The meteorite was first detected over Lake Erie, near the U.S.-Canada border, and disintegrated over Valley City, Ohio, after traveling about 55 kilometers [4]. - The energy released during the disintegration was equivalent to 250 tons of TNT, which accounted for the loud noise heard by residents [4]. Group 2 - Witnesses reported seeing a bright "fireball" and a white trail, despite the daytime conditions [3]. - The event prompted numerous emergency calls from frightened residents, leading local emergency officials to investigate [3]. - Experts noted that such bright phenomena are typically associated with meteorites or small asteroids, rather than satellites re-entering the atmosphere [6].