Monday, May 3, 2010

Another Rainbow

I snapped this one while sitting on my porch last night. Contrary to what Kermit the Frog would have you believe, there aren't a lot of songs about rainbows. And seeing one is even more rare. Kind of curious that I snapped a picture of one at just about this time last year.

Rainbows are formed when water drops in the air refract sunlight entering the surface of the raindrop, reflect it back from inside the drop and then refract it again as it leaves. That's the scientific explanation anyway.

There are a number of mythological explanations of a rainbow's significance aside from the Judeo-Christian belief that it symbolizes God's promise that he would never send another flood to destroy Earth.

  • The Sumerians saw them as a divine sanction for war. 
  • The Norse believed that the rainbow was a bridge between Earth and Asgard.
  • The Greek believed that Iris used the rainbow as a path to deliver messages from the gods. 
  • In ancient Japan, rainbows were often viewed as omens of bad luck because they represented snakes

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