The broad emission lines of Seyfert galaxies imply high gas speeds in the nucleus.
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Q4: The luminosity of a Seyfert galaxy varies
Q14: Seyfert galaxies are_
A) spiral galaxies with unusually
Q16: Double-lobed radio galaxies are an effect of
Q17: Most supermassive black holes are dormant.
Q18: Collisions in the early Universe were rare.
Q20: Quasars are caused by galaxy collisions in
Q21: Quasars have a(n) _.
A) extremely high blueshift
B)
Q22: Seyfert galaxies_.
A) often have unique shapes spectra
Q23: The energy output of a Seyfert galaxy_.
A)
Q24: Seyfert galaxies are always _ galaxies.
A) dwarf
B)
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