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Thursday, April 18, 2024
Home An illustration of NASA’s Fermi Gamma-ray Space Telescope orbiting Earth. ( NASA’s Goddard Space Flight Center Conceptual Image Lab) An illustration of NASA's Fermi Gamma-ray Space Telescope orbiting Earth. ( NASA's Goddard Space Flight Center Conceptual Image Lab)

An illustration of NASA’s Fermi Gamma-ray Space Telescope orbiting Earth. ( NASA’s Goddard Space Flight Center Conceptual Image Lab)

An illustration of NASA's Fermi Gamma-ray Space Telescope orbiting Earth. ( NASA's Goddard Space Flight Center Conceptual Image Lab)

An illustration of NASA’s Fermi Gamma-ray Space Telescope orbiting Earth. ( NASA’s Goddard Space Flight Center Conceptual Image Lab)

The five telescopes of the High Energy Stereoscopic System (H.E.S.S.), located in Namibia, capture faint flashes that occur when ultrahigh-energy gamma rays are absorbed in the upper atmosphere. A new study of the galactic center combines high-energy observations from H.E.S.S. with lower-energy data from NASA’s Fermi Gamma-ray Space Telescope to show that some of the speediest particles become trapped there. (H.E.S.S., MPIK/Christian Foehr)

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