Astronomers have conclusively identified a source of the highest energy cosmic ray protons in the Milky Way, solving a long standing puzzle near the star Altair. By combining gamma ray, radio, and X-ray data from three separate observatories, a Hiroshima University led team ruled out competing expla...
The Milky Way's Most Powerful Particle Accelerator
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July 22, 2026 •
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Universe Today