These could be big — if they turn out to be true.
. Finding antistars challenges a basic tenet of cosmology — that the vast majority of the universe’s antimatter, matter’s oppositely charged doppelgänger, was destroyed long ago. In 10 years of observations from the Fermi Gamma-ray Space Telescope, researchers found 14 points of light emitting gamma rays at energies that are expected when matter and antimatter meet and annihilate each other — a process that could happen on the surface of antistars.
, challenging the standard model of particle physics describing the universe’s fundamental forces and elementary particles . But it will take more data to convince physicists, who are still refining their predictions of muon behavior. Results of the Muon g–2 experiment disagree with the standard model of particle physics, hinting at the possible existence of new particles.
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