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Tuesday, June 19, 2012

Supernova won't explode. Why?


NuSTAR (model, 200px)
Computer Simulation
of a spinning collapse supernova.
Credit: NASA
"Somewhere in the Milky Way, a massive old star is about to die a spectacular death. As its nuclear fuel runs out, the star begins to collapse under its own tremendous weight. Crushing pressure triggers new nuclear reactions, setting the stage for a terrifying blast. And then... nothing happens.

At least that's what supercomputers have been telling astrophysicists for decades. Many of the best computer models of supernovas fail to produce an explosion. At the end of the simulation, gravity wins the day and the star simply collapses.
Clearly, physicists are missing something." (science.NASA)
Read entire article here and watch this video:


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