Overall Photons: Andrea Iorio, Ashley Brown, Lorenzo Lilli, Giampiero Lilli, Jacopo Fallai, Quinn Groessl, Francisco Javier Pérez Olvera, Francesco Morini, George William Hoffman, Robin Livermore, Sara Santos The supernova remnant G150.3+04.5 haunts the constellation Camelopardalis as a vast, ghostly shell spanning over 2° on the sky. Discovered in 2014, it shares this field with a chaotic complexContinue reading "An ancient blast"