An optical phenomenon is any observable event which results from the interaction of
light and
matter. See also
list of optical topics and
optics.Common optical phenomena are often due to the interaction of light from the sun or moon with the atmosphere, clouds, water, or dust and other particulates. One common example would be the
rainbow, when light from the sun is reflected off water droplets in rain as it falls to the ground. Others, such as the
green flash, are rare due to atmospheric conditions. Some, such as instances of
Fata morgana, are commonplace only in certain locations.
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