Suppose that Star X and Star Y both have redshifts,but Star X has a larger redshift than Star Y.What can you conclude?
A) Star X is moving away from us faster than Star Y.
B) Star Y is moving away from us faster than Star X.
C) Star X is hotter than Star Y.
D) Star X is moving away from us and Star Y is moving toward us.
Correct Answer:
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