She explained to CBS News that “the colors of the spectrum are not as neat and organized in iridescence as in a rainbow,” adding that “cloud iridescence reminds me of pixie dust or unicorn ...

"The colors of the spectrum are not as neat and organized in iridescence as in a rainbow," she added. "Cloud iridescence reminds me of pixie dust or unicorn sprinkles." So-called rainbow clouds ...

When clouds such as this formed over Virginia last year, The Weather Channel meteorologist Jen Carfagno told CBS News that it's reminiscent "of pixie dust or unicorn sprinkles." Rainbow clouds are ...

Cloud iridescence, sometimes called 'rainbow clouds' or 'unicorn clouds,' occurs through diffraction, when sunlight is scattered by small, uniform water or ice droplets in the sky. The phenomenon ...

When clouds such as this formed over Virginia last year, The Weather Channel meteorologist Jen Carfagno told CBS News that it's reminiscent "of pixie dust or unicorn sprinkles." Rainbow clouds are ...