remnant radiation

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• Supernova remnant — Multiwavelength composite image of the remnant of Kepler s supernova, SN 1604 …   Wikipedia

• cosmic background radiation — noun (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin • Syn: ↑CBR, ↑cosmic microwave background radiation, ↑CMBR, ↑cosmic microwave… …   Useful english dictionary

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …   Wikipedia

• Hawking radiation — is a thermal radiation with a black body spectrum predicted to be emitted by black holes due to quantum effects. It is named after the physicist Stephen Hawking, who provided a theoretical argument for its existence in 1974, and sometimes also… …   Wikipedia

• Čerenkov radiation — (also spelled Cerenkov or Cherenkov) is electromagnetic radiation emitted when a charged particle (such as an electron) passes through an insulator at a speed greater than the speed of light in that medium. The characteristic blue glow of nuclear …   Wikipedia

• synchrotron radiation — electromagnetic radiation emitted by charged particles as they pass through magnetic fields. [1960 65] * * * Electromagnetic radiation emitted by charged particles that are moving at speeds close to that of light when their paths are altered. It… …   Universalium

• background radiation — n. 1. Astron. low intensity, multidimensional microwave radiation present in space: its existence is used to support the validity of the big bang theory since it is thought to be a remnant of the original explosion 2. Physics low levels of… …   Universalium

• cosmic background radiation — Astron. electromagnetic radiation coming from every direction in the universe, considered the remnant of the big bang and corresponding to the black body radiation of 3 K, the temperature to which the universe has cooled. Also called cosmic… …   Universalium

• background radiation — n. 1. Astron. low intensity, multidimensional microwave radiation present in space: its existence is used to support the validity of the big bang theory since it is thought to be a remnant of the original explosion 2. Physics low levels of… …   English World dictionary

• cosmic microwave background radiation — noun (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin • Syn: ↑cosmic background radiation, ↑CBR, ↑CMBR, ↑cosmic microwave background,… …   Useful english dictionary