Types
In addition to being beacons of visible light, type 1 Seyfert galaxies also produce an abundance of?
X-rays and ultraviolet light
Seyfert galaxy nuclei are powered by what?
A black hole
The narrow emission lines are thought to come from which part of a Seyfert galaxy?
The outer part of the nucleus
Seyfert galaxies are thought to be a dim what?
Quasars
What are the chances that a normal spiral galaxy exhibits Seyfert properties?
1%
The 2nd type of Seyfert galaxy are just as bright as their counterparts but instead produce?
Infrared light and a few shorter wavelengths
The average Seyfert Galaxy is how many times brighter than the Milky Way galaxy?
The broad emission lines are thought to come from which part of a Seyfert galaxy?
Close to the event horizon/center of the nucleus.
Seyfert galaxies are unusually what?
Bright
Seyfert galaxies are named after which scientist?
Carl Seyfert