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24 August, 23:05

How does the sun's position in the sky affect rainbows?

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  1. 25 August, 00:08
    When the sun is low in the sky, light rays pass horizontally through more of the lower atmosphere to reach the earth's surface or an observer's eye ... Because short-wavelength blue and green light are scattered more than red and yellow light, rainbows at times of sunrise and sunset often display the brightest reds.
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