Ref : https://cloudatlas.wmo.int/en/general-classification-of-meteors.html   (4) Four types of meteors (WMO): 水 moisture related 光 light related 電 electrical related 塵 dust and particle related   Meteors present a great diversity of character. However, by considering their constituent particles or the physical processes surrounding their occurrence, meteors can be classified into four groups: hydrometeors, lithometeors, photometeors and electrometeors. 大氣現象呈現出多種多樣的特徵。但是，根據它們的組成粒子或它們發生期間的物理過程，大氣現象可以分為四組：水凝物、大氣塵粒現象、大氣光學現象 和 大氣電學現象。 … Continue reading Types of meteors (WMO)