According to scientists, the fireball reaching a hundred times the size of the Solar System could have been created by a huge cloud of gas sucked in by a supermassive black hole, The Guardian reported on the discovery.
The explosion, detected eight billion light-years away, is more than ten times brighter than any known supernova.
Leading the research Philip Wiseman, an astronomer at the University of Southampton said: the light of the explosion went unnoticed for a year, but since then it gradually became more and more intense. The astonishing dimensions of the explosion were only realized when further observations determined its distance.
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Philip Wiseman explained,
the fireball is estimated to be a hundred times the size of the solar system and two thousand billion times brighter than the sun.
The scientist added:
in three years, this event released about a hundred times as much energy as the Sun will in its ten billion-year lifetime.
The AT2021lwx According to astronomers, the so-called explosion was caused by a huge cloud of gas, probably several thousand times larger than the Sun, which was swallowed by a supermassive black hole. The gas cloud is presumably from the from doughnuts that typically surrounds black holes. However, scientists have not yet found a precise explanation for why the black hole swallowed it.
Supermassive black holes are typically a huge cloud of gas and dust, so-called doughnut surrounds. According to the authors of the study published in the journal Monthly Notices of the Royal Astronomical Society, some of this material – possibly due to the collision of galaxies – could have been torn off and thus ended up at the mouth of the black hole.
As the material drifted toward the black hole’s event horizon, it emitted a tremendous amount of heat and light, illuminating and heating a portion of the donut to 12,000 to 13,000 degrees Celsius.
AT2021lwx is not the brightest phenomenon ever observed, as a brighter gamma-ray burst was detected last year, which was named GRB 221009A, but that event only lasted for minutes. The AT2021lwx, on the other hand, continues to last for its third year, which means that the energy it releases is much greater.
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