n.幻月
Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds. 類似環(huán)日的形成一樣，在高空卷云中，月光通過(guò)稀薄、具有六邊形狀的冰晶時(shí)產(chǎn)生了幻月。
paraselene circle 幻月環(huán)
