Why Does the Big Bang Theory Predict That the Cosmic

question 50

Multiple Choice

Why does the Big Bang theory predict that the cosmic background radiation should have a perfect thermal radiation spectrum?

• A)The background radiation came from the heat of the universe,with a peak corresponding to the temperature of the universe.
• B)The spectrum of pure hydrogen is a perfect thermal radiation spectrum.
• C)The spectrum of 75 percent hydrogen and 25 percent helium is a perfect thermal radiation spectrum.
• D)The light from all the stars and gas in the sky averaged over the entire universe is a perfect thermal radiation spectrum.
• E)It doesn't predict that the cosmic background radiation should have a perfect thermal radiation spectrum.

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