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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 ice crystals in the atmosphere. Sun dogs typically appear as a pair of subtly colored patches of light, around 22° to the left and right of the Sun, and at the same altitude above the horizon as the Sun ...
It is theoretically possible to predict the forms of sun dogs as would be seen on other planets and moons. Mars might have sundogs formed by both water-ice and CO 2 -ice. On the giant gas planets — Jupiter , Saturn , Uranus and Neptune — other crystals form the clouds of ammonia , methane , and other substances that can produce halos with ...
While mostly known and often quoted for being the oldest color depiction of the city of Stockholm, Vädersolstavlan (Swedish; "The Sundog Painting", literally "The Weather Sun Painting") is arguably also one of the oldest known depictions of a halo display, including a pair of sun dogs. For two hours in the morning of 20 April 1535, the skies ...
Sun dogs shine behind caribou antlers on snowy Hudson Bay coast, Churchill, MB, Canada (Photo by: Dennis Fast / VWPics/Universal Images Group via Getty I 8 weather wonders to look for throughout ...
Larger ice crystals do not produce iridescence, but can cause halos, a different phenomenon. [9] Irisation is caused by very uniform water droplets diffracting light (within 10 degrees from the Sun) and by first order interference effects [10] (beyond about 10 degrees from the Sun). It can extend up to 40 degrees from the Sun. [11]
Light pillars in London, Ontario, Canada Sun pillar in San Francisco, California. A light pillar or ice pillar is an atmospheric optical phenomenon in which a vertical beam of light appears to extend above and/or below a light source.
A circumzenithal arc in Salem, Massachusetts, Oct 27, 2012. Also visible are a supralateral arc, Parry arc (upper suncave), and upper tangent arc. From top to bottom: a circumzenithal arc on top of a 46° halo, on top of a Parry arc, on top of a tangent arc, on top of a 22° halo, on top of the actual sun.
On Wednesday, I was in Selfridges trying on dresses for a Christmas dinner.As I stepped out of the changing room to look at myself in the mirror, I noticed a man looking at me as he walked past ...