The Amaterasu Particle May Not Be a Proton at All, New Research Suggests

1 · Thedebrief · June 15, 2026, 12:21 p.m.
Breaking News Physics Science space cosmic rays particles atomic nuclei Research Findings
Summary
Recent research indicates that the Amaterasu particle, previously thought to be a proton, may actually be much heavier atomic nuclei, suggesting new possibilities in the field of cosmic ray studies.
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