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You are browsing the archive for 2011 April 12.

12 April 2011

Double Rainbow and Alexander’s Dark Band

We had some nice storms rumble through North Alabama this evening and, just at sunset, the storms passed Huntsville. I expected to receive some rainbow pics and I was not disappointed! A double rainbow is reversed, of course, from the primary but in between the sky will look a little darker. You can see it clearly in the picture on the right. This was first described by Alexander of Aphrodisias …

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