ANTIMATTER CLOUD. “Observations by the European Space Agency’s INTEGRAL satellite may explain the origin of a giant antimatter cloud surrounding the galactic center.”
https://en.m.wikipedia.org/wiki/Antimatter
ANTIMATTER CLOUD. “Observations by the European Space Agency’s INTEGRAL satellite may explain the origin of a giant antimatter cloud surrounding the galactic center.”
https://en.m.wikipedia.org/wiki/Antimatter