radar astronomy
noun Date: 1959 astronomy in which celestial bodies in the solar system are studied by analyzing the return of radio waves directed at them

New Collegiate Dictionary. 2001.

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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

  • radar astronomy — radioastronomija statusas T sritis radioelektronika atitikmenys: angl. radar astronomy; radioastronomy vok. Radarastronomie, f; Radioastronomie, f rus. радиоастрономия, f; радиолокационная астрономия, f pranc. radarastronomie, f; radioastronomie …   Radioelektronikos terminų žodynas

  • radar astronomy — the branch of astronomy that uses radar to map the surfaces of planetary bodies, as the moon and Venus, and to determine periods of rotation. [1955 60] * * * …   Universalium

  • radar astronomy — ra′dar astron omy n. astron. the branch of astronomy that uses radar to map the surfaces of planetary bodies, as the moon and Venus, and to determine periods of rotation • Etymology: 1955–60 …   From formal English to slang

  • radar astronomy — noun : astronomy dealing with investigations of celestial bodies in the solar system by analyzing radar waves directed toward and reflected from the object being studied …   Useful english dictionary

  • radar astronomy — noun a technique that uses radar echoes to examine bodies within the solar system, obtaining information about size, shape, topography, surface density, spin etc …   Wiktionary

  • 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

  • astronomy — /euh stron euh mee/, n. the science that deals with the material universe beyond the earth s atmosphere. [1175 1225; ME astronomie ( < AF) < L astronomia < Gk. See ASTRO , NOMY] * * * I Science dealing with the origin, evolution, composition,… …   Universalium

  • Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia

  • radar telescope — noun : a radar transmitter receiver with an antenna for use in radar astronomy * * * radar telescope, a radio telescope used, in radar astronomy, as a radar receiver to study and measure the distance of objects in outer space …   Useful english dictionary

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