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radio source

noun

, Astronomy.
  1. a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.


radio source

noun

  1. a celestial object, such as a supernova remnant or quasar, that is a source of radio waves
“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


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Word History and Origins

Origin of radio source1

First recorded in 1945–50
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Example Sentences

Eventually, the astronomers hope to use the newly constructed array of 36 dishes, each standing three stories tall and spanning nearly 40 feet across, to scour a quarter of the Australian sky for radio sources that change monthly.

We’re really bridging that gap between extragalactic radio sources, and sources within our galaxy.

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