Chandra Peers Into A Supernova’s Troubled Heart

This graphic features data from NASA’s Chandra X-ray Observatory of the Cassiopeia A (Cas A) supernova remnant, a frequent target of the telescope for more than a quarter century. The latest Chandra observations reveal how the progenitor star violently rearranged its interior only hours before it exploded. In the expanded box, red is silicon-rich material, while the blue is rich in neon. Image Credit: X-ray: NASA/CXC/Meiji Univ./T. Sato et al.; Image Processing: NASA/CXC/SAO/N. Wolk

NASA’s Chandra Reveals Star’s Inner Conflict Before Explosion – https://chandra.si.edu/press/25_releases/press_082825.html

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