美媒：美国一架客机在万米高空遭不明物体撞击，驾驶舱挡风玻璃碎裂飞行员受伤

Group 1 - United Airlines experienced an incident where a Boeing 737's cockpit windshield was struck by an unidentified object during flight, resulting in the windshield shattering and injuring the pilot, necessitating an emergency landing [1][4] - The flight, which was en route from Denver to Los Angeles, had to make an emergency landing in Salt Lake City after the incident occurred at an altitude exceeding 10,000 meters, a height where collisions with birds or hail are uncommon [4][5] - Speculation arose regarding the nature of the object that struck the aircraft, with theories suggesting it could be space debris or even a meteorite [5] Group 2 - United Airlines issued a statement confirming the safe landing of the flight in Salt Lake City to address the damage to the multi-layer windshield, and arrangements were made for passengers to be transported to Los Angeles on another aircraft later that evening [5] - The affected aircraft remains grounded in Salt Lake City as maintenance teams work to restore it to operational status [5]