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Optical Effects
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Contrail over Downsview-Roding-CFB, Canada
Contrails and contrail shadows present themselves in this unique atmospheric optical phenomena, wherein the shadows are created when the sun (or moon) casts a shadow of an aircraft contrail onto a lower layer of clouds or haze. The interplay of light, clouds, and ice crystals, coupled with one's viewing angle, gives rise to a captivating display in the sky, as seen here during sunset over Falls Church, Virginia, US.
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A "big bird" is spotted overhead in the midst of the cirrus clouds over Goodyear, Arizona, US
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Undulatus over National Taipei University, New Taipei City, Taiwan
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"Sunset Inferno, South Jersey", as titled by Joseph's daughter, who spotted this near Cherry Hill, New Jersey, US
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A circular contrail amidst the cirrus clouds near Wallops Island, Eastern Shore of Chesapeake Bay, Maryland, US
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A distrail and a contrail both visible through cirrocumulus, spotted over Wells, Somerset, England
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Circumzenithal Arc spotted by Moriah's 11-year-od brother, Anthony, who captured this image near Antelope Valley, California, US
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Altocumulus stratiformis and contrails at sunset over Columbus, Ohio, US
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A contrail visible at night thanks to the moonlight over Fort Salonga, Long Island, New York, US
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Lacunosus amidst a collection of contrails over Glouster County, New Jersey, US
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Contrail over Garden Bay Manor, United States
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A peaceful reflection of a colorful sunset taking place beyond the Golden Gate Bridge in San Francisco, California, US
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A series of contrails heading towards the horizon, spotted over New York City, New York, US
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Multiple displays of altocumulus lenticularis, including an example of lenticularis duplicatus, which is also known via the French term, 'pile d'assiettes', for a 'stack of plates'. These classic examples of lenticularis were spotted near Antelope Valley, California, US.
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A colorful view overlooking the Monts d'Auvergne, France
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