A quasar is now thought to be a
A) long-lived supernova explosion.
B) very luminous object at a very large distance from the Sun.
C) nearby star, ejected with great violence and velocity from the center of a galaxy.
D) distant but very luminous and active star in the Milky Way Galaxy.
Correct Answer:
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Q40: The nearest quasar is
A) in the Milky
Q41: The energy output of a bright quasar
Q42: An astronomer is observing the radiation from
Q43: The luminosity of the Milky Way Galaxy
Q44: "It is starlike in appearance, showing very
Q46: Which of these is NOT a characteristic
Q47: The fluctuation time for the brightnesses of
Q48: An active galaxy is measured to be
Q49: Which observations of the radiation from quasars
Q50: What observations convince astronomers that the energy
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