The story
Named after Carl Seyfert, who first described this class in 1943.
Etymology from Wiktionary, CC BY-SA 4.0.
Seyfert galaxy
Today it means: A kind of galaxy having quasar-like nuclei. Full definition →
Today it means: A kind of galaxy having quasar-like nuclei. Full definition →
Named after Carl Seyfert, who first described this class in 1943.
Etymology from Wiktionary, CC BY-SA 4.0.