First Known Use: 1959
Dictionary
Seyfert galaxy
noun Sey·fert galaxy \ˈsē-fərt- also ˈsī-\
Definition of SEYFERT GALAXY
: any of a class of spiral galaxies that have small compact bright nuclei characterized by variability in light intensity, emission of radio waves, and spectra —called also Seyfert
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Origin of SEYFERT GALAXY
Carl K. Seyfert †1960 American astronomer
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