What is the best description of Hanny's Voorwerp?
A) spiral galaxies with unusually luminous nuclei
B) elliptical galaxies with very broad emission lines
C) a type of double-exhaust model
D) extremely luminous objects with high redshifts
E) glowing green gases due to excitation from energy from an active core
Correct Answer:
Verified
Q33: The formation of a galactic central bulge
Q34: Quasars are_.
A) spiral galaxies with unusually luminous
Q35: A supermassive black hole that is erupting_.
A)
Q36: What produces the lobes in double-lobed radio
Q37: Double-lobed radio galaxies are_.
A) spiral galaxies with
Q39: A unified model of active galaxy cores
Q40: The motion of gas in accretion disks
Q41: Different types of active galaxies are caused
Q42: In the unified model, an accretion disk
Q43: 
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