Photo of the week

A winter sun pillar.

January 11, 2010 at 4:47PM
(Photo by Bill Marchel/The Minnesota Star Tribune)
01072-001.01 Sun Pillar rises above sun setting with leaf-less trees in foreground.
(Photo by Bill Marchel/The Minnesota Star Tribune)

A sun pillars forms when light from a rising or setting sun reflects off ice crystals that are appropriately aligned in the air. This winter, watch for the colorful event.

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