The age of the universe can be determined from
A) just the distances of galaxies outside our Local Group.
B) just the recession red shifts of galaxies outside our Local Group
C) just the slowing effect of the gravity of matter in the universe.
D) just the repulsive effects of dark energy
E) Actually all of the above can be used to improve the estimate
Correct Answer:
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Q1: Measured ages of globular clusters and a
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A) is a filament of
Q3: If gravity is unimportant and H equal
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Q6: The cosmic microwave background radiation contains small
Q7: The universe is said to be closed
Q8: The flatness problem is that
A) the density
Q9: The best scientific data and models suggest
Q10: If a two-dimensional saddle shaped universe
Q11: If a galaxy is found receding from
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