"look at the sun, he wears contact lens" one of the few facebook status that caught my attention that immediately jumped me off my chair and went outside to see a spectacular sight.
Mr. Sun is wearing contact lens indeed, a halo is surrounding the sun. It is called Sundog a rainbow-like spot in a cirrus cloud. Light shining through ice crystals in the cloud makes a sundog, much like light shining through raindrops makes a rainbow. They are most easily seen when the sun is low.
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