Multiple Choice
The proper interpretation of a what a galaxy's redshift measures is ____.
A) its motion in space toward the observer
B) its motion in space away from the big bang
C) the stretching of space between the galaxy and the observer
D) the contraction of space between the galaxy and the observer
E) the stretching of space between the galaxy and the big bang
Correct Answer:

Verified
Correct Answer:
Verified
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