与人们普遍的看法相反“,坠落的星星”其实根本不是星星,而只是流星,是穿越太空的固态物体。小的流星细若针头,大的可达数吨。当流星进入地球大气层后,其表面与空气摩擦产生热量,人们在夜间用肉眼就能看到。巨大的热量将流星焚化,使之留下一条炽热的发光的尾巴。大多数流星在进 Contrary to popular belief, “falling stars” are not stars at all, but merely meteors. They are solid objects that pass through space. Small meteors are fine needles and can be as large as several tons. When the meteor enters the Earth’s atmosphere, its surface friction with the air generates heat and people can see it with the naked eye at night. The huge heat will incinerate the meteor, leaving behind a glowing glowing tail. Most meteors are in progress