Showing posts with label 22 degree halo. Show all posts
Showing posts with label 22 degree halo. Show all posts

Tuesday, May 14, 2013

On the 22 Degree Halo

The 22 degree halo is an optical phenomenon caused by sunlight refraction in tiny hexagonal ice crystals within a thin layer of cirrostratus haze.  Easily explained and yet it is something to behold. 

    Photo taken on my iPhone outside my workplace.

Robb: One time she told me the sky is blue because we live in the eye of a blue-eyed giant named Macumba.

Bran:  Maybe we do.