Theoretical studies of many supernovae indicate that most are triggered by one of two basic mechanisms: the sudden re-ignition of nuclear fusion in a degenerate star or the sudden gravitational collapse of a massive star's core.
Most are triggered by one of two basic mechanisms. This is what theoretical studies of many supernovae indicate. Most are triggered by the sudden re-ignition of nuclear fusion in a degenerate star. This is what theoretical studies of many supernovae indicate. Most are triggered by the sudden gravitational collapse of a massive star's core. This is what theoretical studies of many supernovae indicate.