NASA’s IXPE Sends First Science Image, This image of the supernova Cassiopeia A combines some of the first X-ray data collected by NASA’s Imaging X-ray Polarimetry Explorer. Free Wallpaper

NASA’s IXPE Sends First Science Image, This image of the supernova Cassiopeia A combines some of the first X-ray data collected by NASA’s Imaging X-ray Polarimetry Explorer.