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The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high they can only have come from relatively close by, new research has revealed.
New insights into the origins of high-energy cosmic-ray electrons are revealing a more detailed picture of extreme cosmic phenomena and point to a mysterious source located close to our solar system.
If we include neutrinos, we think trillions of them are passing through your body right now, but if we just focus on cosmic rays from beyond the Solar System, we still get a fair amount hitting us.
Scientists at High Energy Stereoscopic System (HESS) in Namibia have detected most energetic cosmic electrons ever observed after over a decade of meticulous data collection The discovery has ...
"Cosmic rays are a century-old mystery," Mathieu de Naurois, a researcher at the French National Centre for Scientific Research and deputy director of the H.E.S.S. collaboration, told Space.com.