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Optical phenomena are any observable events that result from the interaction of light and matter. All optical phenomena coincide with quantum phenomena. [ 1 ] Common optical phenomena are often due to the interaction of light from the Sun or Moon with the atmosphere, clouds, water, dust, and other particulates.
Science of photography (4 C, 96 P) Periodic phenomena ... Pages in category "Scientific phenomena" The following 4 pages are in this category, out of 4 total.
This article is a list of notable unsolved problems in astronomy.Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results.
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena , which is probably a typographical mistake.)
An aurora is a natural phenomenon. A natural phenomenon is an observable event which is not man-made. Examples include: sunrise , weather , fog , thunder , tornadoes ; biological processes , decomposition , germination ; physical processes , wave propagation , erosion ; tidal flow , and natural disasters such as electromagnetic pulses ...
This phenomenon is related to surface charge accumulation on the packing material surface and it is present even if a packed-bed is used without a catalyst. Despite this is a physical aspect, it also affects the chemistry since it alters the electron energy distribution in proximity of the asperities. Discharges formation inside pores. This ...
The following outline is provided as an overview of and topical guide to natural science: Natural science – a major branch of science that tries to explain, and predict, nature's phenomena based on empirical evidence. In natural science, hypothesis must be verified scientifically to be regarded as scientific theory. Validity, accuracy, and ...
ISS sprite image above; zoomed in Another shot from the first color clip of the sprite. Sprites have been observed over North America , [ 9 ] Central America , South America , [ 10 ] Europe , [ 11 ] Central Africa ( Zaire ), Australia , the Sea of Japan and Asia and are believed to occur during most large thunderstorm systems.
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