radio astronomy


noun
  1. the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.

Origin of radio astronomy

1
First recorded in 1945–50

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How to use radio astronomy in a sentence

  • He also knew of the growing importance of radio astronomy, but he hadn't known the Egyptians were in on it.

    The Egyptian Cat Mystery | Harold Leland Goodwin
  • radio astronomy is no longer about the stars seen through human eyes.

  • Admittedly, he didn't have much knowledge of astrophysics or radio astronomy.

    The Egyptian Cat Mystery | Harold Leland Goodwin

British Dictionary definitions for radio astronomy

radio astronomy

noun
  1. a branch of astronomy in which a radio telescope is used to detect and analyse radio signals received on earth from radio sources in space

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for radio astronomy

radio astronomy

  1. The study of celestial objects by measurement of the radio waves they emit. Radio astronomy has enabled the detection and study of objects such as pulsars, quasars, radio galaxies, and other objects, some of which emit considerably less radiation at other wavelengths. Radio astronomy has contributed to the discovery of cosmic background radiation and has enhanced the understanding of solar activity and the structure of galaxies. See also radio telescope.

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