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.
A gamma-ray burst spotted near the core of an ancient galaxy was likely created by an odd demolition-derby-style collision of two stars or stellar remnants, a new study suggests.
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