Oil Slicks In The Sky or Something Natural…?

DSC_0708Signed

The sunrise this morning was absolutely amazing, did I have my camera on me for the best part… no!!!! I will learn eventually!  This one I purposely made it dark so that I could get the circle of the sun to show up.

I find the rainbow clouds to be pretty cool but it looks like an oil slick in the sky… makes you wonder?  I think I heard it was a natural phenomenon something about the frozen ice crystals in the atmosphere and the sun shining through it.  Please if you read this and know exactly what causes it, enlighten me.