Dictionaryjan•skyPronunciation: ( jan'skē), [key] —n., —pl. -skies. a unit of flux density for electromagnetic radiation, used chiefly in radio astronomy. Abbr.: Jy Jan•skyPronunciation: ( jan'skē), [key] —n. Karl Guthe, 1905–50, U.S. engineer: pioneer in radio astronomy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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