BERKELEY–(ENEWSPF)–February 20, 2014. Astronomers for the first time have peered into the heart of an exploding star in the final minutes of its existence.
Superimposed images of the Cas A supernova remnant taken by NASA’s Chandra and NuSTAR orbiting telescopes. Red and green are X-ray emissions detected by Chandra of heated iron and silicon/magnesium, respectively, while blue shows NuSTAR’s map of the distribution of titanium produced in the core of the explosion 340 years ago.…