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Heavenly halo lights up the Arctic - Atmospheric optics turn sunlight into a celestial display as seen from Summit Station in Greenland on Oct. 14. Ed Stockard, one of the workers at the federally funded research station, says the display includes a halo, sun dogs, an upper tangent arc & more.
Sun Dog: A sun dog is an atmospheric phenomenon where you can see additional bright patches in the sky on either side of the Sun. Sometimes you just see bright spots, & sometimes you can actually see an arc or even a halo around the Sun. These are all related to sun dogs, & have to do with very specific atmospheric conditions. If you’ve ever seen a sun dog, you were very lucky as they only occur rarely.