MCQ Questions
Q.1.
Does Hubble's law work well for galaxies in the Local Group? Why or why not?
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    32,500 km/s
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    The recession velocity of a galaxy is directly proportional to its distance from us.
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    No, because galaxies in the Local Group are gravitationally bound together.
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    Dr. X believes that the universe is older than Dr. Y believes.
Q.2.
Cosmological redshift is the result of ___________.
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    They were more common when the universe was younger.
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    redder and rounder.
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    the expansion of the universe
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    the one that is farthest away