An open universe
A) has a negative curvature.
B) has zero curvature.
C) has a positive curvature.
D) is finite.
E) has a center.
Correct Answer:
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Q2: As the universe cooled, it eventually reached
Q9: What was the temperature of the universe
Q10: The _ theory was based on the
Q11: The Hubble time is
A) the time it
Q13: In 1998, it was announced that the
Q16: Quintessence is the name of the
A) force
Q17: Measured ages of globular clusters suggests that
Q18: The resolution of Olbers paradox suggests that
Q19: The assumption of homogeneity states that
A) the
Q20: Space-time will be flat if
A) the universe
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