This happens when clouds are thin and made of similar-sized water droplets.
Stunning video captured a rainbow in the clouds over Ribeirao Claro, Brazil, in a meteorological phenomenon known as cloud iridescence.
Iridescence like this happens when the clouds are very thin and are made of similar-sized water droplets.
What you’re seeing, essentially, is part of a corona — when a rainbow-like halo engulfs the sun or the moon — and the bands and colors change as the cloud evolves.
Iridescence is most often seen close to the sun.
It’s usually spotted when part of a cloud is forming because that’s when all of the water droplets have a similar history and similar size.
Wooooooow!!!!! pic.twitter.com/vs9rgWGChP
— Alien UFO Sightings (@alienufovideos) March 12, 2020
Source abcnews.go.com
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