Multiple Choice
What was the significance of the end of the era of nucleosynthesis,when the universe was about 5 minutes old?
A) The proportions of dark matter and luminous matter had been determined.
B) The basic chemical composition of the universe 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.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Why did the era of nuclei end
Q2: Refer to this scenario for the following
Q3: (From a science quiz that appeared in
Q4: Approximately how long did the era of
Q5: What kinds of atomic nuclei formed during
Q7: Where do the photons in the cosmic
Q8: )Why is the era of nucleosynthesis so
Q9: What do we mean by inflation?<br>A)the expansion
Q10: What is meant by the microwave observations
Q11: Olbers' paradox is an apparently simple question,but