A supernova is a powerful and luminous stellar explosion that marks the dramatic end of a massive star's life. For a brief period, it outshines an entire galaxy, scattering heavy elements into space to seed new cosmic generations.
A supernova is a powerful and luminous stellar explosion that marks the dramatic end of a massive star's life. For a brief period, it outshines an entire galaxy, scattering heavy elements into space to seed new cosmic generations.