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Originally Posted by CalTech
One of the biggest mysteries in astronomy, how stars blow up in supernova explosions, finally is being unraveled with the help of NASA's Nuclear Spectroscopic Telescope Array (NuSTAR).
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NuSTAR is the first telescope capable of producing maps of radioactive elements in supernova remnants.
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Feb 19 2014 article and video here -
http://www.nustar.caltech.edu/news/1.../d,news-detail
NuSTAR web site -
http://www.nustar.caltech.edu/