Multiple Choice
According to the theory of cosmic inflation, during a brief early "inflationary period," the universe
A) expanded at lightspeed.
B) quickly became far more densely filled with matter.
C) expanded at a speed that was only slightly slower than lightspeed.
D) quickly became far more densely filled with energy.
E) expanded at a speed that exceeded lightspeed.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: One unusual aspect of dark energy is<br>A)
Q10: In a closed universe, the angles of
Q11: One piece of evidence supporting the theory
Q12: Dark energy<br>A) has never been directly observed
Q13: The emergence of each of the four
Q15: Is everything in the universe expanding?<br>A) No,
Q16: Which of the following observations lend support
Q17: The big bang created<br>A) space and time.<br>B)
Q18: According to Einstein, gravity is<br>A) the bending
Q19: If you were in a rocket ship