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    Astronomy Today Study Set 1
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    Exam 26: Cosmology: The Big Bang and the Fate of the Universe
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    What Is the Cosmic Microwave Background, and Why Is It
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What Is the Cosmic Microwave Background, and Why Is It

Question 44

Question 44

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What is the cosmic microwave background, and why is it significant?

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It is a 2.7 K universal blackbody backgr...

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