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cosmic radio-frequency radiation

См. также в других словарях:

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

  • cosmic noise — noun : unidentified celestial radio frequency radiation; especially : such radiation originating outside the Milky Way * * * Physics. radio frequency noise that originates outside the earth s atmosphere. [1945 50] * * * cosmic noise, = galactic… …   Useful english dictionary

  • cosmic noise — noun Date: 1947 unidentified celestial radio frequency radiation; especially such radiation originating from outside the Milky Way …   New Collegiate Dictionary

  • radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

  • radio and radar astronomy — Study of celestial bodies by measuring the energy they emit or reflect at radio wavelengths. It began in 1931 with Karl Jansky s discovery of radio waves from an extraterrestrial source. After 1945, huge dish antennas, improved receivers and data …   Universalium

  • Cosmic Background Imager — The CBI Telescope CMB as measured b …   Wikipedia

  • Cosmic Background Explorer — ▪ United States satellite       U.S. satellite placed in Earth orbit in 1989 to map the “smoothness” of the cosmic background radiation (Cosmos) field and, by extension, to confirm the validity of the big bang (big bang model) theory of the… …   Universalium

  • Mobile phone radiation and health — A man speaking on a mobile telephone The effect of mobile phone radiation on human health is the subject of recent interest and study, as a result of the enormous increase in mobile phone usage throughout the world (as of June 2009 …   Wikipedia

  • Radiation hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… …   Wikipedia

  • Non-ionizing radiation — Different types of electromagnetic radiation Non ionizing (or non ionising) radiation refers to any type of electromagnetic radiation that does not carry enough energy per quantum to ionize atoms or molecules that is, to completely remove an… …   Wikipedia

  • 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

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