Two black holes, named PKS 2131-021, have been dancing around each other for several thousand years. However, the space waltz ends their collision. It will be so powerful that astronomers will see it on Earth as well.
Supermassive black holes, about 9 billion light-years away, have been approaching each other for about 100 million years. Their total mass is in the order of hundreds of suns. The collision, which is estimated to occur in about 10,000 years, will be so great that the released energy will move through space-time.
The researchers therefore hope that a study of PKS 2131-021 could reveal new information about how these monsters form and what happens when they collide. Most galaxies have large black holes at their center.
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Black hole collision
A couple of black holes belong to the group of so-called blazars. It is a designation for an active galactic nucleus, which at regular intervals emits plasma moving at almost the speed of light. The liquid in the jet glows significantly in the ultraviolet, X-ray or gamma region of the spectrum.
However, the brightness of the PKS 2131-021 blazer is interesting in that it fluctuates at regular intervals. The authors of a study published in The Astrophysical Journal Letters likened these fluctuations to the ticking of the clock. Scientists believe that these flashes are evidence that objects attract each other.
To confirm their theory, they examined data from five observatories over the past 45 years. These suggest that the brightness of the binary blazer will change over time. The supermassive black holes have thus become the most closely connected pair ever discovered in space.
Black hole deforming anomalies.
Mysterious black holes
Even though today’s astronomers will not witness the conflict, they can already observe what they have only theoretically assumed. “Our calculations suggest that the galaxies were small at first, collapsing over time and growing larger. We think black holes behaved like that. “ said Dr. Ignacy Sawicki from the Department of Cosmology and Gravitational Physics of the Institute of Physics of the ASCR.
If the objects really come together, they swallow a large amount of matter. On the contrary, a lot of energy erupts into the surroundings. The surrounding gases will heat up, atomic and chemical reactions will occur, which will be observable as large amounts of gamma and X-rays. The collision also produces gravitational waves that ripple space-time, like jumping on a trampoline. Valuable information about the whole process of black hole extinction will be encoded in their amplitude and frequency.
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Source: Youtube
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