A composite image of Chandra X-ray data shows a rainbow of reds, yellows, green, blue and purple, from lower to higher energies. Optical data from the Digitized Sky Survey, shown in pale yellow and blue, offer a starry background for the image. Optical: DSS An arc of hot gas that spewed from the Kepler Supernova … Continue reading "The Unusually Colossal Kepler Supernova"