Chinese Observatory's New Discovery, a Step Closer to Solving Cosmic Ray Enigma
China's cosmic ray observatory has discovered a giant ultra-high-energy gamma-ray bubble structure, about ten million times larger than our solar system, in the Cygnus star-forming region, around 5,000 light years from Earth. Based on the observations made by China's Large High Altitude Air Shower Observatory (LHAASO), scientists identified that star-forming region as one source of the cosmic rays in the Milky Way with an energy level higher than 10 peta-electron volts (quadrillion electron volts or PeV), about 1,000 times more than the record high achieved by any manmade accelerator on Earth.
Feb 27, 2024