jansky


jansky

noun, plural jan·skies.

  1. a unit of flux density for electromagnetic radiation, used chiefly in radio astronomy. Abbreviation: Jy

noun

  1. Karl Guthe,1905–50, U.S. engineer: pioneer in radio astronomy.

noun plural -skys

  1. a unit of flux density equal to 10 –26 W m –2 Hz –1, used predominantly in radio and infrared astronomySymbol: Jy

noun

  1. Karl Guthe 1905–50, US electrical engineer. He discovered a source of radio waves outside the solar system (1932) and pioneered radio astronomy

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