Jean Oliviera spotted this so-called rainbow cloud in the skies above his hometown of Caxias, Brazil, on December 6. According to local reports, many other eyewitnesses also got out their cameras to capture the beautiful and mesmerizing colors.
The scientific name for this unusual phenomenon is cloud iridescence, which occurs when water droplets or ice crystals in the atmosphere scatter the light, according to the Weather Channel.(Credit: Storyful )
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