Scientists have finally discovered a rare type of black hole between a smaller black hole and a supermassive black hole.

Although scientists have only recently been able to capture images of black holes, they know a lot about them,media reported. These very dense bodies absorb any objects that come very close to them, and they are the center of most galaxies, at least astronomers think so. There are also two types of black holes known: the standard version (smaller version) is thought to be five to 100 times the mass of the sun, and the other version is the supermassive version, which is more than 1,000 times the mass of the sun.

Scientists have finally discovered a rare type of black hole between a smaller black hole and a supermassive black hole.

Infographic.

So is there any other type of black hole in between? The heavens may finally have found the answer.

“Medium-mass black holes” have evaded astronomers for a long time, but they know that such black holes must exist somewhere, and finding such a black hole has proved to be an incredible challenge. Now, while observing the merger of two black holes billions of light-years away, researchers believe they have discovered the birth of a medium-mass black hole.

Using data from three Observatories on Earth, the researchers found two black holes with a mass 85 times that of Earth and 66 times that of Earth. Both black holes are relatively small, but when they merge, they form a black hole between standard mass and supermassive black holes.

These observations are made through gravitational waves, which take 7 billion years to reach Earth. It’s an incredible distance, so the scientists who discovered it are obviously very excited.

Although this is crazy enough to find, there are still many questions to be solved, the most important of which is why medium-mass black holes are so rare in space. The so-called “black hole desert” is quite empty between smaller and supermassive black holes, and researchers want to find out why. One theory is that once black holes reach a certain size, they begin to devour more matter at a faster rate, quickly turning into supermassive black holes. For now, however, this explanation is only a well-grounded guess.