What about a double rainbow? The main rainbow, the brighter one in the photo above, is known as the primary rainbow. The second one is just how it sounds, the secondary rainbow, where the colors ...

He posted this very helpful explanation on his Facebook page, which he allowed me to republish: This is an outstanding example of a primary and secondary rainbow (relatively common) occurring ...

Supernumeraries show up inside the inner edge (the purple side) of the primary bow. It's common to see these on a day with a visible double rainbow, so locate the primary (more vibrant ...

A fainter secondary rainbow can sometimes be seen above the primary rainbow, which is caused by a second reflection inside the water droplet. According to NOAA, this "re-reflected" light leaves ...