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单词 Fog bow
释义

Fog bow

中文百科

雾虹

雾虹是一种类似于彩虹的天气现象,太阳光经由水分子反射和折射后形成。雾虹没有颜色,显示为白色,因此有时被称为“白色的彩虹”。

雾虹与光环也不相同,光环是由于折射形成多重暗淡的彩色环,雾虹完全是白色。

雾虹没有颜色的原因是水滴非常小(小于0.05毫米),以至于光的衍射效应变得很重要,盖住了颜色。彩虹的水滴相对较大,就像反射太阳的小棱镜,因此会产生颜色。

英语百科

Fog bow 雾虹

360-degree fog bow
A fog bow, solar glory and Brocken spectre observed in San Francisco
A fog bow, solar glory and Brocken spectre observed in San Francisco
Fogbow at the Summit Research Station, Greenland.

A fog bow is a similar phenomenon to a rainbow; however, as its name suggests, it appears as a bow in fog rather than rain. Because of the very small size of water droplets that cause fog—smaller than 0.05 millimeters (0.0020 in)—the fog bow has only very weak colors, with a red outer edge and bluish inner edge.

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更新时间:2025/6/19 17:29:15