How Do Sundogs Form?

Thread starter jnimagine
Start date Nov 18, 2006
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Sundogs, or parhelia, form due to the refraction of sunlight through ice crystals in the atmosphere. These ice crystals typically exist in cirrus clouds and can bend light at specific angles, creating bright spots on either side of the sun. A ray diagram illustrating this process would show light entering the ice crystals and being refracted at 22 degrees, which is the angle where sundogs are commonly observed. While detailed explanations can be found online, visual aids like diagrams can enhance understanding of the phenomenon. For further information, searching online is recommended.

Nov 18, 2006

jnimagine

can someone explain to me how sundogs form?
I know it has to do with refraction of light through ice crystals but i need a good ray diagram explaining this...

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Nov 18, 2006

turbo

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Just Google the term and you'll find all the information you need.

Nov 18, 2006

moose

This won't explain it, but I will post it anyway
https://www.physicsforums.com/showthread.php?t=141179

Just use www.google.com as turbo said

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