Why aren't intermediate-sized black holes found?

Why aren't intermediate-sized black holes found?

The computer image shows a supermassive black hole in the galactic core. The black central area is the event horizon. Powerful hole gravity distorts space

Scientists from Princeton University (USA) and the Weizmann Institute of Science (Israel) offered a possible explanation of why we are not able to find black holes of intermediate size.

The scientific concept of black holes appeared only in the last century. Their presence was predicted by Albert Einstein, and the term itself became official in 1967. Thanks to the observations, we managed to learn a lot about these formations, but many mysteries still remain. The main one is why it is impossible to find an intermediate size? We know about the existence of large and small, but where is the transitional stage? Researchers believe that the inability to find such objects does not mean that they are not there. Just need to pay attention to other places. However, they believe that now there are no intermediate black holes. And the thing is in the process of their development. Most likely, they increase with the absorption of stars.

If this is the case, then the speed of black holes is one solar mass per 10,000 years. That is, if a black hole appeared shortly after the birth of the Universe (13.8 billion years ago), then it has already passed an intermediate stage. They also think that such objects should be sought in dense parts of the sky, which is quite difficult to do. However, new technologies will capture the gravitational waves and simplify the procedure.

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