A faintly colored luminous ring appearing to surround a celestial body visible through a haze or thin cloud, especially such a ring around the moon or sun, caused by diffraction of light from suspended matter in the intervening medium.
英
美
- 華透過(guò)霾或薄云能看到的天體所圍繞的有微弱顏色的發(fā)光的環(huán)，尤指圍繞月亮或太陽(yáng)的這種環(huán)，是由于懸浮物在插入媒介中的衍射造成的
