Antimatter is extremely rare in the universe from "summary" of Antimatter by Frank Close
Antimatter is the mirror image of ordinary matter, with the same mass but opposite charge. When matter and antimatter meet, they annihilate each other, releasing a burst of energy. This property has intrigued scientists for decades, leading to questions about why there is so little antimatter in the universe. The Big Bang theory suggests that equal amounts of matter and antimatter should have been created at the beginning of the universe. However, observations show that our universe is predominantly made up of matter. This imbalance is one of the greatest mysteries in physics. Scientists have searched for sources of antimatter in the cosmos, but it remains exceedingly rare. Antimatter particles have been detected in cosmic rays and in high-energy collisions at particle accelerators, but these amounts are minuscule compared to the vast sea of matter in the universe. The reasons for the scarcity of antimatter are still not fully understood. Some theories propose that there may be hidden reservoirs of antimatter in distant galaxies or that antimatter may be trapped in regions of space that are difficult to detect. Others suggest that there may be fundamental differences in the behavior of matter and antimatter that lead to their unequal distribution. Despite ongoing research and experiments, the question of why antimatter is so rare in the universe remains unanswered. The study of antimatter continues to challenge our understanding of the cosmos and the fundamental laws of physics. As scientists delve deeper into this enigma, new discoveries may shed light on the mysterious nature of antimatter and its role in the universe.
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