In cosmology, what is the "inflationary period"?
A) the period when the cost of living rose faster than astronomers' salaries
B) the first 500,000 years of the life of the universe, when matter and radiation interacted vigorously
C) the period of universal expansion from the Big Bang to the present
D) the short period of extremely rapid expansion when the universe was very young
Correct Answer:
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Q114: What is the isotropy (or horizon) problem?
A)
Q115: The predicted temperature of the early universe
Q116: At the start of the Big Bang,
Q117: The isotropy of the cosmic microwave background
Q118: When the Big Bang began, all the
Q120: Physicist's equations can describe the evolution of
Q121: During what time interval was helium created
Q122: At about what time after the Big
Q123: When the universe was about 30,000
Q124: As astronomers look at more distant regions
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