The Secrets Behind Supernovae

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Science  16 Aug 2002:
Vol. 297, Issue 5584, pp. 1134-1135
DOI: 10.1126/science.1075935

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Supernova explosions are the visible signature of the demise of a massive star. But as Janka explains in his Perspective, the visible event corresponds to less than 1% of the energy involved in a supernova. Recent models and observations are beginning to shed light on how energy is transferred from the collapsing core of the star to the ejected matter.