
Space / 2014-02-19
Radioactive Core of a Dead Star
Radioactive Core of a Dead Star
NASA's image library records Radioactive Core of a Dead Star.
WHY IT’S INTERESTING
NASA NuSTAR has, for the first time, imaged the radioactive guts of a supernova remnant, the leftover remains of a star that exploded. The NuSTAR data are blue, and show high-energy X-rays.