Multiple Choice
The cosmic microwave background radiation was emitted when the universe had a size about 1/1,000 of today's value.What was the temperature of the microwave background radiation at the epoch of recombination?
A) 30 K
B) 300 K
C) 3000 K
D) 30,000 K
E) 300,000 K
Correct Answer:
Verified
Correct Answer:
Verified
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