The flatness problem in cosmology asks the question:
A) why is the sky dark at night?
B) why was the density of the universe so close to the critical density just after the Big Bang?
C) why are the four forces (strong, weak, electromagnetic, and gravitational) not unified in the present-day universe?
D) why is the temperature of the cosmic background radiation so smooth (isotropic) around the sky?
Correct Answer:
Verified
Q1: The universe began in the Big Bang.
Q2: The universe began in the Big Bang.
Q4: Which of the following statements correctly describes
Q5: If the average mass density ρ0 had
Q6: If the average mass density ρ0 had
Q7: When did the inflationary epoch occur?
A)during the
Q8: The inflationary epoch accomplished all of the
Q9: The proposed inflationary epoch would explain many
Q10: During the period of cosmic inflation, the
Q11: It has been shown that above 100
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