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Optical Effects
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A vivid primary rainbow along with a subtle secondary bow, spotted shortly before sunset over Sumirago, Varese, Italy
A panoramic view of primary and secondary bows over Dartmoor, Devon, England
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A rainbow beneath the storm, spotted over Blairgowrie, Perthshire, Scotland
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Primary and secondary bows with precipitation falling in the distance, spotted near Vermontville, Adirondacks, New York, US
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A rainbow spotted from above the ground, near Beauvais, France
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Sunset accompanied by a rainbow, spotted near Prestonpans, Scotland
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A rainbow, created by sunlight that interacts with water droplets through the process of refraction, reflection, and dispersion, spotted over Forestville, California, US
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A dynamic double rainbow spotted while driving near the Siskiyou Pass, Northern California, US
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A vivid rainbow spotted over Wellington Harbour, New Zealand
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A vivid rainbow accompanied by mammatus (mamma), spotted from the National Center for Atmospheric Research’s (NCAR) Mesa Laboratory, near Boulder, Colorado, US
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A primary and secondary rainbow that includes Alexander's Dark Band, an area that appears dark because the raindrops in that region are refracting sunlight at angles that do not direct any light toward the observer, as seen here over Sittingbourne, Kent, England
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A unique perspective of a rainbow during the evening, wherein the view through the front window gave way to raindrops that looked like 'globules of mercury', spotted near Ormskirk, Lancashire, England
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A primary bow and the beginning of a subtle secondary bow, spotted over Sanxia, New Taipei City, Taiwan
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A primary rainbow with a faint secondary bow, spotted over Newcastle upon Tyne, England
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Rainbow near Pennal, Gwynedd, Wales
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A primary bow and a subtle secondary bow over Denver, Colorado, US
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