The universe is said to be closed if 
A) I & II
B) I & III
C) II & III
D) I,II,& III
E) none of the above
Correct Answer:
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Q2: The Great Wall
A) is a filament of
Q3: If gravity is unimportant and H equal
Q4: The best determination of the Hubble constant,using
Q5: The age of the universe can be
Q6: The cosmic microwave background radiation contains small
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
Q12: If the universe is flat and not
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