Cloud iridescence, those colorful patches in clouds, are caused by diffraction of light around tiny water droplets or ice crystals—similar to how a prism separates light into a rainbow, but on a much smaller scale.
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Red rain, the phenomenon of red-colored rainfall, has been scientifically attributed in some cases to airborne dust containing red algae or other microorganisms.
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Hurricane analysts use satellite imagery not just to track storms, but also to estimate their intensity by analyzing the size and organization of their eyewalls.
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