A) They move towards each other.
B) They move away from each other.
C) They do not move at all.
D) They have fixed number of stars.
Correct Answer: B
Solution :
Edwin Hubble, an astronomer observed that the galaxies are not stationary but are moving away from each other. The larger the distance between the two galaxies, the faster they move away from each other. This led him to propose and conclude that the universe is expanding.
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