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Question
#44457. Hamlet.
asks:
What is a sun dog?
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peasypod
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A small or incomplete rainbow.
Feb 18 04, 10:39 PM
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woody156
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It's an optical illusion, seen in very Northern or Southern latitudes. The sun will appear to have two other suns, one on either side of it.
Feb 18 04, 10:50 PM
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DogRL
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Web Definition: SUN DOG - Either of two colored luminous spots that appear at roughly 22° on both sides of the sun at the same elevation. They are caused by the refraction of sunlight passing through ice crystals. They are most commonly seen during winter in the middle latitudes and are exclusively associated with cirriform clouds. The scientific name for sun dogs is parhelion and they are also known as mock suns.
 http://vwsri.netfirms.com/glossary/s.html
A parhelion is: (often) found in a luminous ring or halo; a bright light sometimes near the sun and tinged with colours like the rainbow and sometimes opposite the sun (anthelion); often several mock suns appear (simultaneosly).
http://dictionary.reference.com/search?q=parhelion
[Feb 21 04 1:35 AM] DogRL writes:
Also known as a sea-dog: a luminous appearance on the horizon presaging bad weather.
Feb 19 04, 4:59 PM
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