According to the theory of cosmic inflation, the universe
A) began from a powerful electromagnetic effect in vacuum.
B) had no beginning but instead has always existed.
C) began as the result of the "big crunch" collapse of some pre- existing universe.
D) began when two very massive pre- existing particles collided and annihilated with each other.
E) began as a tiny fragment of space and time.

Question

Quizplus · Accepted Answer

Cosmic inflation theory suggests that the universe began as a tiny, rapidly expanding fragment of space and time, which underwent exponential growth in the first moments after the Big Bang.

According to the Theory of Cosmic Inflation, the Universe