An Etymological Dictionary of Astronomy and Astrophysics

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.

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