Anticrepuscular rays
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Anticrepuscular rays, or antisolar rays, are meteorological optical phenomena similar to crepuscular rays, but appear opposite the Sun in the sky. Anticrepuscular rays are essentially parallel, but ap
Anticrepuscular rays toward the eastern horizon, as seen from Colorado at dusk
These anticrepuscular rays appear to converge at the antisolar point, as seen from an aircraft above the clouded ocean.
Anticrepuscular rays opposite the sunset in San Lorenzo bay, Gijón, Spain.
A "wagon-wheel spokes" double rainbow with anti-crepuscular rays, Hurunui, New Zealand
Earth's shadow
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Earth's shadow is the shadow that Earth itself casts through its atmosphere and into outer space, toward the antisolar point. During the twilight period, the shadow's visible fringe —sometimes called
Earth's shadow (blue) and the Belt of Venus (pink) at dawn, seen above the Pacific Ocean (blue-grey), looking west from Twin Peaks, San Francisco
Earth's shadow and the Belt of Venus at dusk, looking east from the Marin Headlands just north of San Francisco in October 2010. (Note: A thin layer of greyish cloud partially obscures the horizon in this image.)
A full moon rising, as seen through the Belt of Venus. A very small part of the Earth's shadow (dark blue) is also visible in this image, but the horizon here is too high for more of the Earth's shadow to be seen.
A total lunar eclipse on May 15, 2022, shows the reddish light falling on the Moon's surface.