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Tuesday, 24 August 2021

Unveiling a century-old mystery: Where the Milky Way's cosmic rays come from

Astronomers have succeeded in quantifying the proton and electron components of cosmic rays in a supernova remnant. At least 70% of the very-high-energy gamma rays emitted from cosmic rays are due to relativistic protons, according to the novel imaging analysis of radio, X-ray, and gamma-ray radiation. The acceleration site of protons, the main components of cosmic rays, has been a 100-year mystery in modern astrophysics.

from Top Technology News -- ScienceDaily https://ift.tt/3Df5BKx

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