Study led by UW–Madison researcher confirms star wreck as source of extreme cosmic particles

Astronomers have long sought the launch sites for some of the highest energy protons in our galaxy. Now, a study using 12 years of data from NASA’s Fermi Gamma-ray Space Telescope (Fermi) confirms that a remnant of a supernova, or star explosion, is just such a place, solving a decade-long cosmic mystery.  Previously, Fermi has [...]

Read the full article at: https://wipac.wisc.edu/study-led-by-uw-madison-researcher-confirms-star-wreck-as-source-of-extreme-cosmic-particles/