Multiple Choice
How do we know that matter in the early universe was extremely smooth (i.e. ,not really lumpy) ?
A) Because the cosmic background radiation is almost completely isotropic
B) Because,at the present time,galaxies are spread almost completely uniformly through the universe
C) Because quasars are spread almost completely uniformly around the sky
D) Because the expansion of the universe is almost completely isotropic
Correct Answer:

Verified
Correct Answer:
Verified
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