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

Origin of SEYFERT GALAXY

Carl K. Seyfert †1960 American astronomer
First Known Use: 1959

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