Mankind has been watching the sky for tens of thousands of years. But it’s only been doing it for science for the last few thousand years. Although technology has reached a level that was once unimaginable, our ability to understand the universe is still at a very low level. In particular, we can only make consistent predictions about black holes. But thanks to some cosmic events, we can reach new information. Finally, two black holes merged.
The event that went down in the history of science: Two black holes merged!
A black hole is described as a massive celestial body whose gravitational field is so strong that it does not allow any material formation and radiation to escape from it. In other words, it is an object that is formed by the collection of a certain quantity of matter at a point in space. It is called a black hole because it absorbs light instead of reflecting it.
For this reason, although it cannot be observed directly, indirect observation can be made thanks to special technologies that use various wavelengths. In fact, a black hole 7 billion times more massive than the Sun has been imaged at the center of the elliptical galaxy Messier 87 in recent years. This was a first for the history of science.
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Collision-merging of black holes was actually a situation that has been experienced before and indirectly observed. But this time, the recorded black hole merger emitted unique space-time waves. Therefore, its morphology and eruption structure are quite different from the previous ones. This caused astrophysicists to change their perspective on the situation. Some of the statements on the subject are as follows:
Astrophysicist Rossella Gamba of the University of Jena in Germany:
“Its morphology and explosion-like structure are very different from previous observations.. GW190521 was originally analyzed as the merger of two rapidly spinning, heavy black holes approaching each other along nearly circular orbits, but its special case has led us to suggest other possible interpretations.“
Astronomer Alessandro Nagar:
“The shape and brevity of the event-related signal led us to hypothesize that there was an abrupt merger between the two black holes in the absence of a spiral phase.”
Astronomer Matteo Breschi:
“By developing precise models using a combination of state-of-the-art analytical methods and numerical simulations, we found that in this case a highly eccentric coupling explains the observation better than any other hypothesis put forward.”
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