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Anticrepuscular rays, or antisolar rays, [1] are meteorological optical phenomena similar to crepuscular rays, but appear opposite the Sun in the sky. Anticrepuscular rays are essentially parallel , but appear to converge toward the antisolar point , the vanishing point , due to a visual illusion from linear perspective .
Anticrepuscular rays while parallel in reality are sometimes visible in the sky in the direction opposite the sun. They appear to converge again at the distant horizon. Atmospheric refraction
Occasionally, around sunset or sunrise, anticrepuscular rays appear to converge toward the antisolar point near the horizon. [4] However, this is an optical illusion caused by perspective; in reality, the "rays" (i.e. bands of shadow) run near-parallel to each other. [5]
An Oklahoma-based photographer captured a stunning phenomenon in nearby Kansas as the sun set over the Great Plains, and AccuWeather meteorologists are able to explain how this unusual sunset got ...
Crepuscular rays are noticeable when the contrast between light and dark is most obvious. Crepuscular comes from the Latin word crepusculum, meaning "twilight". [2] Crepuscular rays usually appear orange because the path through the atmosphere at dawn and dusk passes through up to 40 times as much air as rays from a high Sun at noon.
Crepuscular rays are noticeable when the contrast between light and dark is most obvious. Crepuscular comes from the Latin word "crepusculum", meaning twilight. [4] Crepuscular rays usually appear orange because the path through the atmosphere at sunrise and sunset passes through up to 40 times as much air as rays from a high midday sun.
A circumzenithal arc over Grand Forks, North Dakota The Belt of Venus over Paranal Observatory atop Cerro Paranal in the Atacama Desert, northern Chile [1] Crepuscular rays at sunrise in Malibu, California. Atmospheric optical phenomena include: Afterglow; Airglow; Alexander's band, the dark region between the two bows of a double rainbow ...
A circumzenithal arc over Grand Forks, North Dakota The Belt of Venus over Paranal Observatory atop Cerro Paranal in the Atacama Desert, northern Chile [3] Crepuscular rays at sunrise in Malibu, California. Atmospheric optical phenomena include: Afterglow; Airglow; Alexander's band, the dark region between the two bows of a double rainbow ...