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A sun dog (or sundog) or mock sun, also called a parhelion[ 1 ] (plural parhelia) in atmospheric science, is an atmospheric optical phenomenon that consists of a bright spot to one or both sides of the Sun. Two sun dogs often flank the Sun within a 22° halo. The sun dog is a member of the family of halos caused by the refraction of sunlight by ...
A halo is a ring or light that forms around the sun or moon as the sun or moon light refracts off ice crystals present in a thin veil of cirrus clouds. The halo is usually seen as a bright, white ring although sometimes it can have color. Sundogs: Sundogs are colored spots of light that develop due to the refraction of light through ice ...
Jan 29, 2024 · Sun Halos. Halos (pictured) are the result of the refraction or bending of sunlight or moonlight by thin, high, icy cirrus clouds. These clouds appear at altitudes above 20,000 feet, where air temperatures are always below freezing, even during the middle of the summer. The most commonly seen halo is the single one making a 22-degree circle ...
Jun 2, 2024 · The shape of the crystals determine the form of sun dogs, which could be either a complete circle around the sun, called a halo, or two bright spots on either side of the sun. The distance between the sun dog and the sun affects the color of the sun dog. More clear and visible sun dogs occur when the horizon is very near to the sun.
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The US National Weather Service makes a distinction between halos and sundogs, the former being a second ring of light outside the sun, and the coloured light spots that often appear within them, which are technically the sundog portion. So the photo above is a halo/sundog, to be accurate, I guess.
The prism effect is such that the rainbow colors go from red on the inside to violet on the outside. Some might be inclined to think of sun halos as a type of rainbow. However, while rainbows and sun halos are both types of optical phenomena, they are very different. Rainbows are caused by water droplets, whereas sun halos are caused by ice ...
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Sundogs. A sundog, also known as sun dog, mock sun or parhelion, consists of glowing spots around the sun. They are created by sunlight refracting off plate-shaped ice crystals in the cirrus clouds. Sundogs are some of the most frequently observed optical phenomena and can be observed throughout the year and anywhere in the world.
