- astronomical radar
- астрономическая радиолокация
English-russian dictionary of physics. 2013.
astronomical radar
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Radar astronomy — is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the echoes. This research has been conducted for four decades. Radar astronomy differs from radio astronomy in that the latter is a… … Wikipedia
Astronomical unit — This article is about unit of length. For the full system of units, see Astronomical system of units. 1 astronomical unit = SI units 149.60×10^6 km 149.60×10^9 m Astronomical units 4.8481 … Wikipedia
Astronomical seeing — Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a layer of turbulent mixing in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Astronomical seeing refers to the… … Wikipedia
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
astronomical unit — Astron. a unit of length, equal to the mean distance of the earth from the sun: approximately 93 million miles (150 million km). Abbr.: AU [1900 05] * * * ▪ unit of measurement Comparative data for the Sun, planets, and other solar system… … Universalium
astronomical observatory — any structure containing telescopes and auxiliary instruments with which to observe celestial objects. Observatories can be classified on the basis of the part of the electromagnetic spectrum in which they are designed to observe. The… … Universalium
Philippine Atmospheric, Geophysical and Astronomical Services Administration — Pangasiwaan ng Palingkurang Atmosperiko, Heopisikal at Astronomiko ng Pilipinas Agency overview Formed … Wikipedia
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
Manastash Ridge Radar — The Manastash Ridge Radar is a passive radar which uses commercial FM broadcasts to study ionospheric turbulence as well as meteor trails, and aircraft. The radar is passive and bistatic; there are receivers located at the University of… … Wikipedia
Philippine Atmospheric, Geophysical and Astronomical Services Administration — Administration des services atmosphériques, géophysiques et astronomiques des Philippines PAGASA Agence de remplacement Bureau météorologique des Philippines Directeur Prisco D. Nilo Agence mère Departm … Wikipédia en Français
Geology of Venus — Radar image of the surface of Venus, centered at 180 degrees east longitude Venus is a planet with striking surface characteristics. Most of what is known about its surface stems from radar observations, mainly images sent by the Magellan probe… … Wikipedia
