In the universe today there
A) seems to be little or no antimatter.
B) is much antimatter but less than the amount of matter.
C) are equal amounts of antimatter and matter.
D) is more antimatter than matter.

Question

Quizplus · Accepted Answer

The current understanding is that there is little or no antimatter in the observable universe. This is known as the baryon asymmetry problem, as the Big Bang should have created equal amounts of matter and antimatter. However, observations indicate that the universe is mostly made up of matter.

In the Universe Today There