Australian National University astrophysicist Dr. Roland Crocker and his colleagues from Europe, New Zealand, Australia and the United States have shown how most of the Galactic antimatter forms. This composite image shows the central region of the Milky Way Galaxy. Image credit: NASA / JPL-Caltech / ESA / CXC / STScI. Antimatter is material composed of the antiparticle partners of ordinary matter — when antimatter meets with matter, they quickly...
