Multiple Choice
According to current understanding, what is a quasar?
A) any object with an extremely large redshift
B) an active galactic nucleus that is particularly bright
C) a very large galaxy thought to be formed by the merger of several smaller galaxies, typically found in the center of a galaxy cluster
D) a galaxy with an unusually high rate of star formation
Correct Answer:

Verified
Correct Answer:
Verified
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