Solar Halo 日晕

Singapore

新加坡

A solar halo is an optical phenomenon produced by light interacting with ice crystals suspended in the atmosphere.

日晕是一种大气光学现象，是日光通过卷层云时，受到冰晶的折射或反射而形成的。

When the corresponding viewing angle of the halo radius is between 22° and 46°, people can observe the phenomenon of solar halo with the naked eye.

当光环半径的对应视角在22至46之间的角度，人们可以以肉眼观察到日晕的现象。

The ancients believed that solar halo was ominous omen, heralding disaster.

古人认为日晕是一种不详之兆，预示着灾祸。

In fact, the occurrence of solar halo just means that wind and rain is coming.

其实日晕的出现，就只是意味着风雨天气即将来临。