supernova

/ˌsupərˈnoʊvə/
noun
  1. A powerful and bright explosion of a star at the end of its life.
    • The supernova was so bright that it outshone all the other stars in the sky.
    • Astronomers observed a supernova in a nearby galaxy last night.
    • Scientists study supernovas to learn more about how elements like gold are formed.
  2. Something that is extremely impressive, successful, or explosive in nature.
    • The team's offense was a supernova, scoring goal after goal in the final match.
    • The singer's debut album was a supernova, selling millions of copies in its first week.
    • Her career exploded like a supernova after she won the competition.