The World's Most Surreal Natural Phenomena Are Finally Explained
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Fire Rainbows Or Circumhorizontal Arc
Though the name might mislead some of us, these fire rainbows are not actually made of fire. The optical phenomenon forms a band of a multitude of colors that usually develops over the horizon.
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Though their actual name is a mouthful (the "circumhorizontal" arc), these rainbows happen when light passes through high-altitude cirrus clouds in a vertical side face that bends and refracts.
