Gamma-ray bursts are extremely energetic explosions caused by some of the cosmos’ most remarkable objects: black holes, neutron stars, and the violent deaths of stars. Now, astronomers have found evidence of gamma-ray bursts emerging from the collisions of stars.
Astronomers traced a gamma-ray burst (GRB) to the heart of an ancient galaxy. In the dense, busy environment surrounding the galaxy’s supermassive black hole, two stars collided to generate the GRB. This unexpected GRB source offers a new understanding of how stars die.
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