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Optical Effects
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A few rows of cumulus clouds that can be seen off into the distance, resembling cloud streets, spotted over Cotia, São Paulo, Brazil
Iridescence by way of cumulus clouds over Austin, Texas, US
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Crepuscular rays over Khomeyni Shahr, Esfahan, Iran
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A vibrant sunset following an earlier thunderstorm near Brisbane, Australia
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Altocumulus undulatus at sunrise as viewed from west of the Rocky Mountain foothills, looking east, near Fort Collins, Colorado, US
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A classic example of a fallstreak hole (cavum) spotted amidst an expansive display of altocumulus clouds over Lot, Occitanie, France
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Altocumulus over New Taipei City, Taiwan
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Asperitas spotted near Bremen, Germany
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Layers of clouds near Hebburn and Newcastle upon Tyne, England
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Nacreous clouds spotted just before dawn over Oakland, California, US
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Lenticularis over Canyon View Mobile Home Park, United States
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A reflective view of the sunset while at a gas station in Santa Fe, New Mexico, US
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Multiple fallstreak holes (cavum) spotted over Sebastopol, California, US
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A vibrant sunrise over the Atlantic Ocean, near Boca Raton, Florida, US
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Contrail over Downsview-Roding-CFB, Canada
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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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