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   Red Rainbows  

          Red rainbows at sunset. Captured by Ann Bowker (Mad about Mountains) near Keswick in the English Lake District, 9th August 2001. ©Ann Bowker, shown with permission.
Sunset and sunrise rays travel long paths through the lower atmosphere where they are scattered by air molecules and dust. Short wavelength blues and greens are scattered most strongly leaving the remaining transmitted light proportionately richer in reds and yellows. The result, glorious sunsets and red rainbows.   More red bows 1 2.