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    The Cosmic Perspective
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    Exam 22: The Birth of the Universe
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    Briefly Explain Why Radiation Was Trapped for 300,000 Years During
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Briefly Explain Why Radiation Was Trapped for 300,000 Years During

Question 30

Question 30

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Briefly explain why radiation was trapped for 300,000 years during the era of nuclei,and why the cosmic background radiation broke free at the end of this era.

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During the era of nuclei,the universe co...

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