Coronas, Glories and Related Phenomena
摘要
ThinCoronas and gloriesintroduction clouds or fog banks can not only lead to white fog bows (Chap. 9 ), rather they may also lead to certain colourful phenomena. There are basically two distinctly different conditions for observing them, depending on whether the phenomenon occurs in the forward direction, i.e. towards the light source or in the backward direction.