Most people have never noticed that the sun is always behind them as they face a rainbow. The center of the circular arc of the rainbow is in the direction opposite to that of the sun. We know that the rain, is in the direction of the rainbow.
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http://www.wonderwhizkids.com/index.php/rainbows
read more.....
http://www.wonderwhizkids.com/index.php/rainbows
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