Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.
类似于假日或幻日,近幻月是月光透过高空卷云中的六角形的薄冰晶而形成的。
Research on A Theory of Refraction and Diffraction on Halo and Parhelion
22°晕和近假日的折射&衍射理论的探讨
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