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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Anthelion
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An anthelion is a rare optical phenomenon of the halo family. It appears on the parhelic circle opposite to the Sun as a faint white spot, not unlike a sundog, and may be crossed by an X-shaped pair o
Anthelion (bottom) and 120° parhelion (top) depicted in Vädersolstavlan
Anthelion (bottom) and 120° parhelion (top) depicted in Vädersolstavlan
Atmospheric optics
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Atmospheric optics is "the study of the optical characteristics of the atmosphere or products of atmospheric processes.... temporal and spatial resolutions beyond those discernible with the naked eye"
A colorful sky is often due to indirect sunlight being scattered off air molecules and particulates, like smog, soot, and cloud droplets, as shown in
A colorful sky is often due to indirect sunlight being scattered off air molecules and particulates, like smog, soot, and cloud droplets, as shown in this photo of a sunset during the October 2007 California wildfires.
When seen from a high altitude, as here from an airplane, the sky's color varies from pale to dark at elevations toward the zenith.
When seen from a high altitude, as here from an airplane, the sky's color varies from pale to dark at elevations toward the zenith.
Purple sky on the La Silla Observatory.
Purple sky on the La Silla Observatory.
An occurrence of altocumulus and cirrocumulus cloud iridescence
An occurrence of altocumulus and cirrocumulus cloud iridescence