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Suppose We Look at Two Distant Galaxies: Galaxy 1 Is

Question 115

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Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In that case, .


A) Galaxy 1 must be twice as big as Galaxy 2
B) Galaxy 2 must be twice as old as Galaxy 1
C) we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2
D) we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2

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