Because of an unnoticed flash in the night sky, astronomers were able to capture the largest recently observed cosmic explosion, resulting from a giant cloud of gas that occurred inside a massive black hole, and according to the tracking results, the explosion occurred 8 billion light years away, and was characterized by being 10 times brighter. times than any similar astronomical phenomenon.
Scientists attribute the reason for considering it to be the most active explosion ever, because it lasted for more than 3 years. In turn, Dr. Philip Wiseman, an astronomer at the University of Southampton and leader of observational operations, stated that the explosion was not observed at first for an estimated period of a year, but its gradual brightness was The reason why it is monitored and tracked by astronomers.
Biggest cosmic explosion ever
And according to the newspaper “The Guardian”, scientists estimated the size of the phenomenon, which they described as “rare”, as a fireball 100 times larger than the size of the solar system, with a brightness of 2 trillion times the brightness of the sun. The explosion is about 100 times the energy that the sun will emit in its estimated lifetime of 10 billion years.
The explosion was called “AT2021lwx”, resulting from a huge cloud of gas estimated to be 10,000 times larger than the sun, which was devoured by the black hole causing the explosion, and given the reason for its formation, astronomers expect that it may have originated from the dusty donut-like rings that surround the black holes. And by comparing the brightness of this phenomenon with the astronomical event that scientists observed last year, which is the gamma-ray burst “GRB 221009A”, it is the brightest, although it lasted for minutes.
--The first moment
Scientists say that the astronomical phenomenon was observed for the first time in 2020, by the Zwicky transient facility in California, and despite that, scientists did not estimate that at that moment they observed an extremely rare event. When it occurs, scientists have come up with the phenomenon of tidal disturbance, in which a star that is too far away from a black hole is observed to be torn apart, with part of it being swallowed up and the rest being stretched out in a circular disk that resembles donut rings.
Weizmann went on to point out that the initial expectations of scientists about the reason for the emergence of the phenomenon may bear some error, because it is believed that the cause of the explosion was a gas cloud of more than 15 times the mass of the sun.
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