A mirage of an astronomical object is a meteorological optical phenomenon, in which light rays are bent to produce distorted or multiple images of an astronomical object. The mirages might be observed
A mock mirage of the setting Sun
Superior mirage (3-image mirage) of sunspot #930
An image of the Golden Gate Bridge is refracted and bent by droplets of water.
Inferior mirage of comet C/2006 P1 McNaught
Novaya Zemlya effect
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The Novaya Zemlya effect is a polar mirage caused by high refraction of sunlight between atmospheric thermal layers. The effect gives the impression that the sun is rising earlier than it actually sho
Distorted image due to the mirage. Note that this photo, which includes a green flash, was taken in San Francisco, Calif.