Daily Postcard: Sun Dog Briefly Appears In Los Alamos

Daily Postcard: Sun Dog makes a brief appearance in Los Alamos on the afternoon of Oct. 27. Sun dogs, mock suns or phantom suns, are an atmospheric phenomenon that consists of a pair of bright spots on either horizontal side on the Sun, often co-occurring with a luminous ring known as a 22° halo. Sun dogs are a member of a large family of halos, created by light interacting with ice crystals in the atmosphere. Sun dogs typically appear as two subtly colored patches of light to the left and right of the Sun, approximately 22° distant and at the same elevation above the horizon as the Sun. They can be seen anywhere in the world during any season, but they are not always obvious or bright. Sun dogs are best seen and are most conspicuous when the Sun is close to the horizon. Photo by Sandy Chávez


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