Multiple Choice
This figure shows the temperature of the universe over time, according to models of the Big Bang. At what age did the universe cool to 1 million degrees?
A) about 1 second after the Big Bang
B) about 1015 seconds after the Big Bang
C) about 10- 3 seconds after the Big Bang
D) about 107 seconds after the Big Bang
Correct Answer:
Verified
Correct Answer:
Verified
Q69: Rank these times based on the wavelength
Q70: Evidence for Inflation: What is the observational
Q71: We have direct experimental evidence (from large
Q72: Briefly describe one of the three questions
Q73: The Big Bang predicts that the universe
Q75: Observations of the cosmic background radiation from
Q76: Which of the following is not consistent
Q77: Why do we think tiny quantum ripples
Q78: What are the two possible explanations for
Q79: Why did the era of nucleosynthesis end?<br>A)Too