eli5 why is it that when a double rainbow happens the one on top has inverted colors?
In: 5
The main rainbow is formed when light reflects off of a water droplet once. In the second one, the light reflects twice inside the droplet.
[Here’s](https://en.wikipedia.org/wiki/Rainbow#/media/File:Rainbow1.svg) a diagram. You can see that before the light reflects the first time, the red and blue separate, then switch sides when reflected. If they were to reflect off the droplet again, they would flip again.
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