A Double Double Rainbow
July 7th, 2010 by Van | Comments Off on A Double Double Rainbow
![A Double Double Rainbow](https://svrainshadow.com/wp-content/uploads/2010/07/IMGP6903-128x128.jpg)
I’m sure most people have seen a double rainbow – in good conditions you can see both the primary rainbow (caused by diffraction of light exiting a raindrop after a single internal reflection) and a “secondary” rainbow, caused by diffraction of the light after two internal reflections. But have you seen a “double double rainbow”?