Multiple Choice
Which of the following statements about the cosmic background radiation is not true?
A) It has a temperature of about 3 degrees K above absolute zero.
B) It is the result of a mixture of radiation from many independent sources,such as stars and galaxies.
C) It had a much higher temperature in the past.
D) It was discovered by Penzias and Wilson in the early 1960s.
E) It appears essentially the same in all directions (it is isotropic) .
Correct Answer:
Verified
Correct Answer:
Verified
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