When an aging massive star generates an iron core, the iron cannot fuse and thus the star cannot support its weight outside the core. The star is no longer in hydrostatic equilibrium and collapses, forming a supernova.

Question

Quizplus · Accepted Answer

This is the process that leads to a supernova. The collapse of the iron core generates an enormous amount of energy, causing the outer layers of the star to explode and create a supernova.

When an Aging Massive Star Generates an Iron Core, the Iron