XRISM Finds Chlorine, Potassium in Cas A
The Cassiopeia A supernova remnant glows in X-ray, visible, and infrared light in this Jan. 8, 2024, image that combines data from NASA’s Chandra X-ray Observatory and Hubble, Webb, and Spitzer space telescopes. A study by the XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft has made the first-ever X-ray detections of chlorine and potassium from […]
Published by NASA on 12/08/2025