A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. One type of supernova is caused by the “last hurrah” of a dying massive star. This happens when a star at least five times the mass of our sun goes out with a fantastic bang! Massive stars burn huge amounts of nuclear fuel at their cores, or centers. This produces tons of energy, so the center gets very hot. Heat generates pressure, and the pressure created by

@aespa_official performing “Supernova” last night at Amazon Music Live’s s4 finale event in LA ❤️ #aespa #kpop #aespaedit | Ones To Watch

The most massive, luminous stars have the shortest lifetimes. Here's why—and how they burn out. Watch "NOVA Universe Revealed: Age of Stars" ➡️ https://to.pbs.org/4aSYYyQ | NOVA l PBS