Space / 2014-02-19
Untangling the Remains of Cassiopeia A
NASA's image library records Untangling the Remains of Cassiopeia A.
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.
A CLOSER LOOK
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.
Explore NASA's original image record for credits and available downloads.
FOLLOW THE EVIDENCE
NASA Image and Video LibraryUntangling the Remains of Cassiopeia AOriginal explanation based on the sources above. Images carry their own reuse terms.