Here's why:
* Supergiants are massive stars, much larger and more luminous than our Sun. They burn through their fuel very quickly, leading to a shorter lifespan.
* When a supergiant runs out of fuel, its core collapses under its own gravity. This collapse triggers a massive explosion known as a supernova.
* The supernova releases an enormous amount of energy, briefly outshining entire galaxies.
* Supernova explosions are incredibly powerful events that can create heavy elements and distribute them throughout the universe.
There are two main types of supernovae associated with supergiant stars:
* Type II supernovae: Occur when the core of a massive star collapses.
* Type Ib/c supernovae: Occur when a massive star loses its outer layers before exploding, leaving behind a dense core called a neutron star or black hole.