Green flash
Videos
The green flash and green ray are meteorological optical phenomena that sometimes occur transiently around the moment of sunset or sunrise. When the conditions are right, a distinct green spot is brie
The development of a green flash at sunset in San Francisco
A green flash in Santa Cruz, California
The stages of a green flash
A mock-mirage green flash observed in San Francisco, California
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
Green flash
…flash occurs because the atmosphere causes the light from the Sun to separate, or refract, into different frequencies. Green flashes are enhanced by mirages, which increase refraction. A green flash is more likely to be seen in stable, clear air, when more of the light from the setting sun reaches the…
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