If the universe is flat and not accelerating,
A) the universe's age will be equal to 1/H.
B) the universe's age will be equal two-thirds of 1/H.
C) the universe it not isotropic.
D) the density of the universe is greater than the critical density.
E) dark energy accounts for a small fraction of the critical density of the universe.
Correct Answer:
Verified
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
Q13: _ and thus dark energy were discovered
Q14: If galaxy A is four times more
Q15: If a galaxy is located at a
Q16: The cosmic background radiation comes from the
Q17: Voids are
A) regions in an elliptical galaxy
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