Multiple Choice
The cosmic microwave background is
A) caused by the world's microwave ovens.
B) the now- cooled X-ray radiation emitted by very distant supernova explosions.
C) the faint glow from the most distant galaxies.
D) the faint radiation that comes from the hydrogen atoms that fill the universe.
E) the now- cooled radiation that was released by the big bang.
Correct Answer:
Verified
Correct Answer:
Verified
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