Screenshots from Paviola's video of the rare rainbow clouds above Finland ... dangerous radiation from the sun. Usually, nitrogen-based compounds in the sky help regulate the destructive impact ...

When clouds block out the sun but not the entire sky, it can result in beams of light known as crepuscular rays. Many people have seen a rainbow arch across the sky, creating a ribbon of colors as ...

"Iridescent clouds happen because of diffraction—a phenomenon that occurs when small water droplets or small ice crystals scatter the sun's light," the NOAA website says. Rainbow clouds have a ...

Strange "rainbow clouds" that look like a colorful portal ... "The clouds brighten up the winter, lingering in the sky an hour after the sun set just after 3 p.m. I'm always spellbound — they ...

It's very similar to sun ... sky. These clouds are more pronounced, especially in much colder climates like the Arctic where they can appear in several day stretches. In addition to the rainbow ...

SPRINGVILLE, Utah (KUTV) — Rainbow clouds ... smallwater droplets or ice crystals scattering the sun's light. NOAA officials stated that cloud iridescence is relatively rare, as the cloud ...

"He explained what causes a "rainbow cloud" phenomenon: They occur when the sun's rays interact with ice crystals or water droplets in the high-altitude clouds.That causes the light to diffract ...

The quintuple-feature starred a towering thunderhead, menacing shelf cloud, vibrant rainbow, glorious sunset and concluded with a fireball that shot across the night sky. The show began with a ...

FOX 13 News viewers sent in a bunch of photos of what appeared to be "rainbow clouds" featuring lush colors against a bright blue sky. Most of ... crystals scatter the sun's light" in a variety ...

On Tuesday afternoon, a Houston man caught a fleeting glimpse of what appeared to be an upside-down rainbow among wispy clouds in the ... the same side of the sky as the Sun.

Sky watchers in Hamilton ... or small ice crystals scatter the sun's light," NOAA said. NOAA also explained why you may not have seen these rainbow clouds before. "Cloud iridescence is relatively ...

These noctilucent clouds, reflecting light from the sun after sunset ... flecked in rainbow colors and moving across the Martian sky. Scientists have released a video of the clouds, below in ...