Tuesday, December 18, 2012

Sun Pillar (Picture of the Day: 12/18/12)

A sun pillar. Source

In the background, a beam of sunlight is clearly visible shooting up from the horizon. This effect is called a "sun pillar". As ice crystals order during their fall through the atmosphere they can bend light in all sorts of unique ways. One way they bend light is to make a pillar of sunlight like the one shown here. This effect is fairly uncommon, but very beautiful. This particular picture was taken in Östersund, Sweden.

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