SINCE 1828
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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