“天突然亮了”视频疯传！茂名市应急管理局回应

Group 1 - A fireball meteor was observed in Maoming, Guangdong on the night of May 28, causing the night sky to brighten significantly [1][3][4] - The Maoming Emergency Management Bureau confirmed that the phenomenon was not a thunderstorm and likely a fireball meteor, with no accidents or injuries reported [6] - Similar fireball meteor sightings have occurred in Shanghai, with reports of a bright green meteor on April 3, indicating that such events are not isolated [6][7] Group 2 - Fireball meteors are defined as meteors with brightness greater than -3 magnitude, which is brighter than the brightest stars like Jupiter and Venus [6][7] - The brightness of a fireball meteor can be attributed to the size of the celestial body entering the atmosphere, with larger bodies producing even more intense light [7] - The color of meteors can vary based on the chemical composition of the meteoroid and the atmospheric conditions, with white being the most common color, while green and yellow are also frequently observed [7]