In our description of the universe, what does the word "isotropic" mean?
A) Every region is the same as every other region.
B) The universe looks the same in every direction.
C) The universe is expanding uniformly at every point.
D) Every galaxy is moving away from every other galaxy.
Correct Answer:
Verified
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Q16: What does z = 0 mean?
A)zero time-that
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