Cloud iridescence - Wikipedia
网页Cloud iridescence or irisation is a colorful optical phenomenon that occurs in a cloud and appears in the general proximity of the Sun or Moon. The colors resemble those seen in soap bubbles and oil on a water surface. It is a type of photometeor.
Rainbow Clouds | NOAA SciJinks – All About Weather
网页2024年9月11日 · A rainbow cloud can occur because of something called cloud iridescence. It usually happens in altocumulus, cirrocumulus, lenticular and cirrus clouds. Iridescent clouds happen because of diffraction – a phenomenon that occurs when small water droplets or small ice crystals scatter the sun's light. You've probably seen a rainbow before.
What Causes Rainbow-Colored Clouds in the Sky? - ThoughtCo
网页2019年2月15日 · Iridescence tends to form high up in the sky near clouds, like cirrus or lenticular, that are made up of especially tiny ice crystals or water droplets. The tiny ice and water droplet sizes cause sunlight to be diffracted— it is obstructed by the droplets, is bent, and spreads out into its spectral colors.
Iridescent clouds have rainbow colors - EarthSky
网页2023年7月22日 · Bottom line: You might someday see an iridescent cloud. These clouds have rainbow-like colors. They’re caused by very tiny ice crystals or water droplets in the air, which cause light to be ...
Iridescent Clouds: What They Are and How They Form
网页2024年5月12日 · This article by thedailyECO explains the science behind iridescent clouds, explaining their formation and unique characteristics. We'll also uncover the historical and cultural significance of these colorful clouds, and why they've sparked wonder and curiosity for …
A Rare Look at an Iridescent Cloud - National Geographic
网页2013年7月18日 · Iridescent clouds, known as "fire rainbows" or "rainbow clouds," occur when sunlight diffracts off water droplets in the atmosphere. And the recipe for these heavenly sights is actually pretty...
Iridescence - Cloud Appreciation Society
网页Iridescence is the beautiful effect of bands of pastel colours that can appear when sunlight or moonlight passes through thin cloud. Also known as ‘irisation’, these mother-of-pearl colours are caused by the light being diffracted as it passes through the cloud.
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