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Sun Halo

author: Guillaume Blanchard/Novapix

reference: t-met03-00027

Image Size 300 DPI: 25 * 16 cm

Halos are caused by sunlight being refracted by cirro-stratus clouds. These are thin clouds, very high in the atmosphere, and are composed of ice crystals. They bend light at a 22 degree angle, which creates a halo around the sun that is 44 degrees in diameter.

Keywords for this photo:

ATMOSPHERIC PHENOMENA - CIRROSTRATUS - CLOUD - EARTH - HALO - METEOROLOGY - SUN -