cosmic radio waves

См. также в других словарях:

• Radio-télescope — Radiotélescope Le Radiotélescope Very Large Array en configuration D …   Wikipédia en Français

• Radio astronomy — is a subfield of astronomy that studies celestial objects at radio frequencies. The field originated from the discovery that many astronomical objects emit radiation in the radio wavelengths as well as optical ones. The great advances in radio… …   Wikipedia

• Cosmic noise — and galactic radio noise is random noise that originates outside the Earth s atmosphere. It can be detected and heard on radio receivers. Elaboration Cosmic noise characteristics are similar to those of thermal noise. Cosmic noise is experienced… …   Wikipedia

• cosmic noise — ☆ cosmic noise n. interference caused by radio waves originating in sources beyond the earth …   English World dictionary

• 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

• radio source — Astron. a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves. [1945 50] * * * ▪ astronomy       in astronomy, any of various objects in the universe that emit …   Universalium

• Cosmic ray — For the film, see Cosmic Ray (film). Cosmic radiation redirects here. For some background types of cosmic radiation, see cosmic background radiation and cosmic background. The energy spectrum for cosmic rays Cosmic rays are energetic charged… …   Wikipedia

• radio source — noun an object that radiates radio waves (Freq. 3) • Hypernyms: ↑radiator * * * noun : a region of the sky exclusive of the sun and members of the solar system from which microwave energy is received * * * Astron. a cosmic object or phenomenon,… …   Useful english dictionary

• radio source — ra′dio source n. astron. a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova, that emits radio waves …   From formal English to slang

• 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 ray — Physics. a radiation of high penetrating power that originates in outer space and consists partly of high energy atomic nuclei. [1920 25, Amer.] * * * High speed particle (atomic nucleus or electron) that travels through the Milky Way Galaxy.… …   Universalium