释义 |
DictionarySeemeteor showermeteor storm
meteor storm (meteor swarm) A meteor shower with an enormous meteor rate that occurs when the Earth intersects a new meteoroid stream close to a large originating comet. The most famous was the Leonid storm of Nov. 12–13, 1833, when the rate exceeded 10 000 visual meteors an hour, single observers often seeing 20 a second. |