There is nothing more beautiful in the sky than a colorful rainbow after a storm. Sometimes we catch just a glimpse and other times the colors are vivid and bright. It can be hard to tell exactly how ...
A basic rainbow streaks across the sky in Oregon Raceway Park in Grass Valley, Oregon. Curt Smith via Flickr, CC-BY-2.0 Though not a rainbow, these iridescent clouds are a similar visual treat. sandid ...