Artist's visualization of GRB 221009A showing the narrow relativistic jets — emerging from a central black hole — that gave rise to the GRB and the expanding remains of the original star ...

This discovery was made on the so-called brightest of all time GRB, named GRB 221009A, which belongs to the former category and arrived at the Earth on October 9th, 2022, and was observed by many ...

As the star's core collapsed down into a black hole, the gamma-ray burst emitted by the star – an event named GRB 221009A – erupted with energies of up to 18 teraelectronvolts. Gamma-ray ...