Author Question: One piece of evidence supporting the theory of cosmic inflation is A) the observed fact that the ... (Read 35 times)

jerry coleman · **on:** Jul 29, 2018

One piece of evidence supporting the theory of cosmic inflation is

A) the observed fact that the geometry of the universe is flat..
B) the fact that neutrinos are now known to have no rest mass.
C) the fact that neutrinos have been found to have rest mass.
D) the observed fact that the temperature of the cosmic background radiation is now about 4 Kelvin.
E) the observed fact that the geometry of the universe is open.

Question 2

According to the theory of cosmic inflation, at what time in the history of the universe did inflation occur?

A) at the very beginning of the big bang
B) at the time that the cosmic background radiation formed
C) around the third or fourth minute
D) around the third or fourth second
E) at a tiny fraction of the first second, but not quite at the very beginning of the big bang