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ShareIn physics and astronomy, redshift is an observed increase in the wavelength of electromagnetic radiation received by a detector compared to that emitted by the source.
For visible light, red is the color with the longest wavelength, so colors experiencing redshift shift towards the red part of the electromagnetic spectrum.
For more information about the topic Redshift, read the full article at Wikipedia.org, or see the following related articles:
Doppler effect — The Doppler effect, named after Christian Andreas Doppler, is the apparent change in frequency or wavelength of a wave that is perceived by an ... > read more
Quasar — A quasar is an astronomical source of electromagnetic energy, including light, which shows a very high redshift. The scientific consensus is that ... > read more
Astrophysics — Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, ... > read more
Large-scale structure of the cosmos — In physical cosmology, the term large-scale structure refers to the characterization of observable distributions of matter and light on the largest ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Redshift at Wikipedia.org. See the Wikipedia copyright page for more details.
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