Public domain
Untangling the Remains of Cassiopeia A
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
This is the first map of radioactivity in a supernova remnant, the blown-out bits and pieces of a massive star that exploded. The blue color shows radioactive material mapped in high-energy X-rays using NASA NuSTAR.
NASA Image and Video Library’s own descriptionSubjects
Credit lineUntangling the Remains of Cassiopeia A. NASA/JPL, 2014-02-19. Public domain. ID: PIA17838.
