An Etymological Dictionary of Astronomy and Astrophysics
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A mechanism predicted by theoretical models of → supernova explosion in the case when the → supernova shock breaks through the outer edge of the collapsing → iron core before losing all of its energy (through → photodisintegration of the iron nuclei) and manages to expel the stellar envelope. Compare with → delayed supernova explosion.

→ prompt; → supernova; → explosion. See also → delay.