Photo of the Day 1 July 2008

Sundog Light Phenomenon, Manitoba, Canada, 2005
Photograph by Norbert Rosing
A solar phenomenon known as a sundog arcs over the tundra in Churchill, Manitoba, Canada. Sundogs are fairly common occurrences in the Arctic and Antarctic. They form when the sun is near the horizon and ice crystals high in the sky line up in a way that bends the solar rays like a prism.