Rainbow clouds have been spotted across the ... For this reason, semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence," the website explains.

Rare "rainbow clouds" formed in the early morning ... "For this reason, semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence." ...

A rare rainbow-coloured cloud amazed residents ... The phenomenon is most commonly seen in thin clouds or semi-transparent clouds. Trump asks Supreme Court to block order requiring US to bring ...

It's safe to say we have all seen a rainbow before ... For this reason, semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence," NOAA said.

In a rainbow, the lights goes ... But it’s more complicated than just that. The cloud also has to be what’s called optically thin; that is, mostly transparent so that on average a beam of ...

Rare "rainbow clouds" formed in the early morning ... "For this reason, semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence." ...

A stunning weather phenomenon was spotted over parts of Virginia this week – a so-called "rainbow cloud," which looks like a bright prism of color behind soft clouds. Several people in Hamilton ...

Unlike regular rainbows, which are caused by sunlight passing through raindrops falling in the sky, rainbow clouds require ... "For this reason, semi-transparent clouds or clouds that are just ...

NASA has revealed a stunning photo of what looks like a circular rainbow surrounding the moon ... droplets in an intervening but mostly-transparent cloud. “Since light of different colours ...