sundog

sundog

1. A solar phenomenon known as a sundog arcs over the tundra in Churchill, Manitoba, Canada.

加拿大马尼托巴省丘吉尔冻原上出现了幻日光弧这种日光现象。

2. Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.

类似环日的形成一样，在高空卷云中，月光通过稀薄、具有六边形状的冰晶时产生了幻月。