New data is evidence of process that powers exploding stars – Ars Technica

Enlarge/ A multi-wavelength image of the Cassiopeia A supernova remnant.
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Supernovae happen. We’ve witnessed enough of them that we’re pretty sure of that. Why they happen has been another issue entirely. As we’ve worked on understanding the physics that drives these immense explosions, we’ve occasionally gone through awkward periods when the stars in our models stop exploding. Adding in more realistic physics has generally gotten the models booming again, and right…

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