In the present universe there is an imbalance between particles and antiparticles. How did this originate?
A)It is believed that there are slight differences in mass between matter and antimatter. Thus the inflationary epoch, which gave mass and energy to the universe, created an imbalance of particles.
B)It is believed that there are slight differences in electric charge between matter and antimatter. Thus the inflationary epoch, which gave mass and energy to the universe, created an imbalance of particles.
C)We see only a small part of the universe. The missing antimatter is elsewhere, repelled by the negative mass of normal matter early in the history of the universe.
D)This question is an unsolved mystery of present-day cosmology.

Question

Quizplus · Accepted Answer

This question is an unsolved mystery in present-day cosmology. While there are theories about why there is an imbalance between particles and antiparticles, none have been proven definitively. It remains an active area of research and investigation.

In the Present Universe There Is an Imbalance Between Particles