fixed spelling error← Previous revisionRevision as of 06:42, 24 October 2026 Line 2: Line 2: [[File:Moon 22 degree halo atherton ca.jpg|thumb|A [[22° halo]] around the Moon in [[Atherton, California]]]] [[File:Moon 22 degree halo atherton ca.jpg|thumb|A [[22° halo]] around the Moon in [[Atherton, California]]]] '''Optical phenomenas''' are any observable events that result from the interaction of [[light]] and [[matter]]. '''Optical phenomena''' are any observable events that result from the interaction of [[light]] and [[matter]]. All optical phenomena coincide with [[Quantum mechanics|quantum]] phenomena.{{cite book |last1=Lahiri |first1=Avijit |chapter=Electromagnetic Theory and Optics |title=Basic Optics: Principles and Concepts |year=2016 |pages=1–140 |publisher=Elsevier |publication-date=2016 |doi=10.1016/B978-0-12-805357-7.00001-0 |isbn=978-0-12-805357-7}} Common optical [[Phenomenon|phenomena]] are often due to the interaction of light from the [[Sunlight|Sun]] or [[Moonlight|Moon]] with the [[Atmosphere of Earth|atmosphere]], [[Cloud|clouds]], [[water]], [[dust]], and other particulates. One common example is the [[rainbow]], when light from the Sun is [[Reflection (physics)|reflected]] and [[Refraction|refracted]] by water droplets. Some phenomena, such as the [[green ray]], are so rare they are sometimes thought to be mythical.{{cite web|url=http://mintaka.sdsu.edu/GF/observing/greenray.html|title=Green Rays|website=mintaka.sdsu.edu}} Others, such as [[Fata Morgana (mirage)|Fata Morgana]]s, are commonplace in favored locations. All optical phenomena coincide with [[Quantum mechanics|quantum]] phenomena.{{cite book |last1=Lahiri |first1=Avijit |chapter=Electromagnetic Theory and Optics |title=Basic Optics: Principles and Concepts |year=2016 |pages=1–140 |publisher=Elsevier |publication-date=2016 |doi=10.1016/B978-0-12-805357-7.00001-0 |isbn=978-0-12-805357-7}} Common optical [[Phenomenon|phenomena]] are often due to the interaction of light from the [[Sunlight|Sun]] or [[Moonlight|Moon]] with the [[Atmosphere of Earth|atmosphere]], [[Cloud|clouds]], [[water]], [[dust]], and other particulates. One common example is the [[rainbow]], when light from the Sun is [[Reflection (physics)|reflected]] and [[Refraction|refracted]] by water droplets. Some phenomena, such as the [[green ray]], are so rare they are sometimes thought to be mythical.{{cite web|url=http://mintaka.sdsu.edu/GF/observing/greenray.html|title=Green Rays|website=mintaka.sdsu.edu}} Others, such as [[Fata Morgana (mirage)|Fata Morgana]]s, are commonplace in favored locations.