radio brightness

radio brightness
noun
the strength of a radio wave picked up by a radio telescope (Freq. 2)
Hypernyms: ↑intensity, ↑strength, ↑intensity level

Useful english dictionary. 2012.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • Brightness temperature — is the temperature at which a blackbody in thermal equilibrium with its surroundings would have to be in order to duplicate the observed intensity of an object at a frequency u.This is a useful concept only for radiation that obeys the… …   Wikipedia

  • X-shaped radio galaxy — X shaped (or winged ) radio galaxies are a class of extragalactic radio source that exhibit two, low surface brightness radio lobes (the wings ) oriented at an angle to the active, or high surface brightness, lobes. Both sets of lobes pass… …   Wikipedia

  • The Mummy (radio) — “The Mummy” is a radio program from the American radio anthology series Radio Tales. The anthology series adapted classic works of American and world literature for the radio. The series was a recipient of numerous awards, including four Gracie… …   Wikipedia

  • Apocalypse (radio) — “Apocalypse” is a radio program from the American radio anthology series Radio Tales. The anthology series adapted classic works of American and world literature for the radio. The series was a recipient of numerous awards, including four Gracie… …   Wikipedia

  • List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …   Wikipedia

  • telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium

  • Neutron star — redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… …   Wikipedia

  • extraterrestrial life — Introduction   life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions. What are the basic requirements for life? Could life have arisen… …   Universalium

  • intensity level — noun the amount of energy transmitted (as by acoustic or electromagnetic radiation) he adjusted the intensity of the sound they measured the station s signal strength • Syn: ↑intensity, ↑strength • Hypernyms: ↑magnitude …   Useful english dictionary

  • star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”