✉news SciencePhysics first seen 4 d ago, last 3 d ago, peak #11
Heavy Neutrino May Explain Matter's Survival After Big Bang
Original: Heavy Neutrino May Help Explain Why Matter Survived Big Bang
Physicists report that a hypothetical heavy neutrino could help explain why matter survived the Big Bang. The idea suggests that heavy sterile neutrinos in the early universe may have driven processes that left more matter than antimatter, allowing galaxies, stars and life to exist. The claim is drawing interest as a possible step toward answering one of cosmology's central puzzles.
Why now: It touches on the unresolved cosmic mystery of why matter outweighed antimatter after the Big Bang.
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