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Question
What does Hubble's law imply about the history of the universe?A) The universe must be infinitely old and huge.
B) The universe had a beginning and has expanded since, giving it a finite age.
C) The Milky Way lies exactly at the center of this expansion.
D) The redshifts will lengthen with time due to dark energy.
E) The redshifts will turn to blueshifts as universe contraction follows the expansion.
Answer
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