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- Rainbows
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Encyclopedic overview
Articles relating to the rainbow, a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the Sun.
Excerpted from Wikipedia’s “Category:Rainbow” article, available under the CC BY-SA 4.0 licence.