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radio astronomy
noun
- the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
radio astronomy
noun
- 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
radio astronomy
- 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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Word History and Origins
Origin of radio astronomy1
First recorded in 1945–50
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Example Sentences
He also knew of the growing importance of radio astronomy, but he hadn't known the Egyptians were in on it.
From Project Gutenberg
Radio astronomy is no longer about the stars seen through human eyes.
From Project Gutenberg
Admittedly, he didn't have much knowledge of astrophysics or radio astronomy.
From Project Gutenberg
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