This new view of the historical supernova remnant Cassiopeia A, located 11,000 light-years away, was taken by NASA Nuclear Spectroscopic Telescope Array, or NuSTAR. While the star is long dead, its remains are still bursting with action.
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Details
Title: Sizzling Remains of a Dead Star
Creator: NASA/JPL-Caltech/DSS
Date Created: 2013-01-07
Rights: JPL
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