Supernova
Astronomers Capture "Chirping" Supernova That Makes Sounds Like Colliding Black Holes
Eleven thousand light-years away, astronomers witnessed something unprecedented: a dying star that chirps. What appeared to be an ordinary sun-like star suddenly began flickering wildly before exploding in a supernova that produces acoustic-like signals remarkably similar to gravitational waves from colliding black holes. The "chirp" pattern speeds up