NASA’s Fermi Mission Sees No Gamma Rays from Nearby Supernova
5 min read NASA’s Fermi Mission Sees No Gamma Rays from Nearby Supernova A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how these types of explosions boost particles, called cosmic rays, to near light-speed. But surprisingly, NASA’s Fermi Gamma-ray Space Telescope detected none of the high-energy gamma-ray light [...]