What Was the Significance of the End of the Era

question 86

Multiple Choice

What was the significance of the end of the era of nucleosynthesis, when the universe was about 5 minutes old?

• A) The basic chemical composition of the universe had been determined.
• B) The proportions of dark matter and luminous matter had been determined.
• C) It marks the time at which the first stars formed.
• D) It marks the time at which the expansion of the universe had settled down to its current rate.

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