Antimatter Could Travel Through Our Galaxy With Ease, Physicists Say
A team of physicists determined that enigmatic ‘antinuclei’ can travel across the universe without being absorbed by the interstellar medium. The finding suggests we may be able to identify antimatter that is produced by dark matter in deep space.The physicists estimated the Milky Way’s so-called transparency to antihelium-3 nuclei—meaning, how permissive the galaxy’s interstellar medium is to antinuclei zipping through space.“Our results show, for the first time on the basis of a direct absorption measurement, that…