 Full featured double rainbow in Wrangell-St. Elias National Park, Alaska. Image by Eric Rolph at English Wikipedia, via Wikimedia Commons. Licensed CC BY-SA 2.5 |
The Rainbow PressRainbow Rainbow Meteorological phenomenon For other uses, see Rainbow (disambiguation). A rainbow is an optical phenomenon caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum of light appearing in the sky.[1] The rainbow takes the form of a multicoloured circular arc.[2] Rainbows caused by sunlight always appear in the section of sky directly opposite the sun. Rainbows can be caused by many forms of airborne water. These include not only rain, but also mist, spray, and airborne dew. Double rainbow and supernumerary rainbows on the inside of the primary arc. The shadow of the photographer's head at the bottom of the photograph marks the centre of the rainbow circle (the antisolar point).… (Source: Wikipedia)
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