Friday, May 16, 2008
4.7: Circles in the Sky
This is a picture taken by Jean-Marc Lecleire near the Chateau de Chambourd in France. It is a picture of ice halos that have formed around the sun. The picture was taken looking straight up and spans almost 180 degree; the halo has a radius of 22 degrees ands. The halo around the sun formed from light refracting through hexagon shaped ice crystals in high clouds. Even though I have never seen this phenomenon before, it is apparently more common that rainbows!
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