Here are two images of supernova remnants, made with combined data from NASA’s Chandra X-Ray Observatory and ESA’s XMM-Newton. For both of these images, XMM-Newton captured the wider field view, while Chandra focused in on key regions of interest to researchers. The orange object on the right is RCW 86, one of the earliest supernovae … Continue reading "Subtle Supernova Remnants"