Website review: Rainbow, halo and glory
kmsyam discovered this in Aviation/Aerospace
•2 reviews since Aug 31, 2006
aerospace
•polarization.com/rainbow/rainbow2.html
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Reviews of this website
kmsyam discovered 23 months ago- Very Good. Interesting facts
- alusiva rated 14 months ago
- "Colored halos are formed by refraction in the crystals and are generally just slightly polarized. With a polarizing filter oriented in a radial direction, the 46-degree halo and the beautiful circumzenithal arc are seen more clearly against the sky (which is polarized perpendicularly). On the other hand, the most notable effect on the 22-degree halo and sun dogs is a small shift in position: the inner red edge is a tad closer to the sun when the polarizing filter is radial. The reason is that each polarization causes a different halo due to the birefringence of ice."
