The rainbow you see is formed by light refracted by many such drops; the red comes from drops angled slightly higher in the sky, the blue from drops angled slightly lower, and the intermediate colors from drops at intermediate angles. All the drops sending separated colors to you are angled at about 42 degree from a point that is directly opposite the sun in your view.
read more.....
http://www.wonderwhizkids.com/index.php/rainbows
read more.....
http://www.wonderwhizkids.com/index.php/rainbows
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