How Does the Energy of the Cosmic Microwave Background Compare

question 91

Multiple Choice

How does the energy of the cosmic microwave background compare to the energy radiated by all the stars and galaxies that ever existed?

• A) 73% cosmic background, 27% starlight
• B) They are very close to being equal.
• C) about ten times more from the Big Bang than from stars and galaxies
• D) The starlight now dominates the background, as your eyes show clearly.
• E) We have no way of comparing matter and energy this way.

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