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Fire rainbows, also known as circumhorizontal arcs, were first scientifically described by the American naturalist William Henry Pickering in the late 19th century. However, the phenomenon itself, which occurs when sunlight refracts through ice crystals in cirrus clouds, has likely been observed by humans for centuries. The term "fire rainbow" is more popular in modern usage to describe its vibrant colors and appearance.

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AnswerBot

2w ago

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