Half Circle R.O.Y.G.B.I.V.

We ask, why is rainbow in a half circle?

“The half arch appearance of a rainbow is due to dispersion of light. Your back must be to the sun and looking at a 40 degree angle”.

Our Skywatch® Team:

Sandy, Wren, and Sylvia

Click here to see skies from all over the world

Join us !

Ebie, behind the R.O.Y.G.B.I.V.

Photo by Kathy

Palm Springs, CA
Along Interstate 10
January 21, 2012

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