月晕现象

更新时间: 2021-02-09 23:19:14     

1、晕,是一种自然界的光学现象。它是由于当太阳或月亮的光线透过高而薄的白云(卷云、卷层云或卷积云)时,受到冰晶折射而形成的彩色光圈,彩色排列顺序内红外紫。出现在太阳周围的光圈叫日晕,出现在月亮周围的光圈叫月晕。月晕出现在夜晚。

2、月晕是光透过高空卷层云时,受冰晶折射作用,使七色复合光被分散为内红外紫的光环或光弧,围绕在月亮周围产生光圈。

关键词: 月晕 现象

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