The explosion of a massive star at the end of its life.
The explosion of a massive star at the end of its life. Supernova explosions are so bright that they can outshine a galaxy, and release more energy in a few weeks than a star like the Sun will emit in billions of years. All of the heavy elements in the Universe are made in supernovae.
Supernova explosions are so bright that they can outshine a galaxy, and release more energy in a few weeks than a star like the Sun will emit in billions of years. All of the heavy elements in the Universe are made in supernovae.