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英国怀特岛上空出现“UFO”?


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当然这不是什么“UFO”,但非常的漂亮,实为罕见的冰彩虹现象。这一现象也被称为“幻日”,于上周六出现在怀特岛考兹湾上空,在云层中形成色彩对比强烈的彩色光线。据悉,幻日现象形成于阳光穿过大气层中的冰晶,通常情况下大气层中的冰晶是纤细束状卷云聚集在一起形成的。当冰晶沉落便排列有序,形成具有特色的垂直彩虹。

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