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Record Gamma Ray Emissions from the Milky Way's Heart: New Discoveries at HAWC Observatory Introduction to the HAWC Observatory At Mexico's High-Altitude Water Cherenkov (HAWC) observatory, perched 13,000 feet on Sierra Negra Volcano, researchers are probing a cosmic enigma in the Milky Way. An international team, co-led by Los Alamos National Laboratory, has detected ultrahigh-energy gamma rays exceeding 100 teraelectron volts, tracing their source to the galaxy's center for the first time. Breakthrough Discoveries "This breakthrough provides us with an unprecedented look at the center of the Milky Way, revealing energies an order of magnitude higher than anything previously measured," remarked Pat Harding, a physicist at Los Alamos and the Department of Energy's lead investigator on the project. "This study is the first to confirm a PeVatron source of ultrahigh-energy gamma rays at the Milky Way's Galactic Center Ridge, revealing that the galactic c...