The search for ‘hierarchical’ black holes has only just begun.

Researchers hope to find some examples of what are called black holes “Hierarchy”. Thanks to the latest theoretical discoveries, some modeling and especially new data on gravitational waves.

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[EN VIDÉO] The two neutron stars combine to form a black hole
In this animation (not reference), NASA shows what is believed to be a collision of two neutron stars, forming a pair, orbiting one another. Due to the collapse of a large star, these stars are very dense. When the two bodies are very close, wave energies begin to tear them apart. The red areas show less intense areas. The link gives density to the object, which becomes a black hole. This view was verified in October 2017 by analyzing the gravitational waves seen by Lego and Virgo from the source GW170817 in October 2017. AS NASA

“In Tie and virgin collaboration More than 50 events have already been updatedGravitational waves. Thousands more will be added in the coming years. There are plenty of opportunities to discover or confirm the existence of wonderful things.Maya Fishbach, a researcher at Northwestern University (USA) in A, explains University of Birmingham press release (United Kingdom). So the chase is really open!

What to look for? What to look for Astronomy Targeted black holes “Hierarchy”. They are funny examples. Results of different stages of attachments. Black holes have recently attracted the attention of researchers. Because some signals were detected: To the end Virgo exceeded their expectations. They have already shown Black holes As a result of the fusion of two organisms Mass Completely different.

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Continuous connections of black holes

Explain this EventIn fact, astronomers speculated that one of the black holes participating in the fusion event may actually be the result of an earlier black hole fusion. We believe that most of the gravitational waves discovered so far are the result of the collision of first generation black holesDavid Jerusalem, Astronomer At the University of Birmingham. But we believe there is a good chance that the remnants of previous links are still there. There are signatures from these eventsGravitational waves Characteristic of overweight and abnormal rotation due to parental conflict.

Understanding the characteristics of the environment in which such things can be created can also help improve research. Undoubtedly the greater the number of black holes and the denser the environment, the more likely it is that they will reunite after they have merged. There is currently a fileEvent GW190521, Discovered in 2019, appears to be the most promising candidate.

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