New detector finds gamma rays from surprising cosmic sources SAM MCNEIL, Associated Press FacebookTwitterEmail 27 1of27White and green electromagnetic detectors surround mounds of dirt covering instruments to detect muon particles originating from outer space at the Large High-Altitude Air Shower Observatory (LHAASO) at Haizi Mountain, near Daocheng in southwestern China's Sichuan Province, Friday, Nov. 8, 2019. The LHAASO, the biggest device of its kind, has detected a dozen sources of ultra high-energy gamma rays from within our Milky Way galaxy, according to a new study in the journal Nature.Mark Schiefelbein/APShow MoreShow Less 2of27In this aerial photo, mounds of dirt covering instruments to detect muon particles originating from outer space are seen at the Large High-Altitude Air Shower Observatory (LHAASO) at Haizi Mountain near Daocheng in southwestern China's Sichuan Province, Saturday, Nov. 9, 2019. The LHAASO, the biggest device of its kind, has detected a dozen sources of ultra high-energy gamma rays from within our Milky Way galaxy, according to a new study in the journal Nature.Sam McNeil/APShow MoreShow Less