Mass density acts to ________ the expansion of the universe, and dark energy acts to ________ the expansion.
A) slow down; slow down
B) slow down; speed up
C) speed up; slow down
D) speed up; speed up
E) slow down; stabilize
Correct Answer:
Verified
Q1: As a result of our universe
Q2: If there were no dark energy
Q3: In modern cosmology, Einstein's cosmological constant is
A)
Q5: If
Q6: The "Big Crunch" scenario applies to a
Q7: The accelerated expansion of the universe was
Q8: Which of the following has the greatest
Q9: If
Q10: In the 1990s, astronomers studying distant Type
Q11: If the Hubble constant had a
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