¿Qué pasa cuándo muere una estrella?

The video explains the life cycle of stars, starting from their formation in a cloud of gas and dust. It details the process of hydrogen fusion that leads to a star's equilibrium and its main sequence phase. The lifespan of a star is determined by its mass, with larger stars burning out faster. As stars exhaust their fuel, they evolve beyond the main sequence, potentially becoming neutron stars or black holes, depending on their mass. The video concludes with the concept of supernova explosions and the eventual fate of stars.

What happens to a star when it exhausts its hydrogen fuel?

Explain the significance of supernova explosions in the life cycle of massive stars.