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
Learn More about seyfert galaxy
Britannica.com: Encyclopedia article about "Seyfert galaxy"
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