THEORETICALLY POSSIBLE. “At extra-galactic scales, large concentrations of nuclear antimatter could still exist, but no evidence has been found yet.”
https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf
THEORETICALLY POSSIBLE. “At extra-galactic scales, large concentrations of nuclear antimatter could still exist, but no evidence has been found yet.”
https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf