The closest black hole ever

 

The closest black hole ever

There is a black hole closer than ever before(1). The distance to that thing is less than 1000 light-years, and this causes ideas that maybe there are more black holes in the universe than we ever expected. If we are thinking things like quark stars that thing could be the more exotic objects than black holes because they need precise right mass for forming. 

If the mass is too small, the result is a neutron star if a mass is too big, it would form black holes. And that means that black holes could be quite a usual phenomenon in the universe. There are two types of singularities stable and unstable. If the mass of the exploding star is too small for forming a stable black hole, it can form the singularity that would exist a very short time before it will be vaporized. 

This thing is causing the thoughts that there could be black holes even very close to our solar system. The black hole that is orbited by other star or interplanetary nebula is easily detected because of the radiation, what material sends when it drops in the black hole. 

One thing, that we must realize is the density of the material of the black hole causes that the speed of the material in the transition disk is different in outer the edge of the disk and when material transfers near to the singularity, the speed of it will increase. That causes extremely powerful friction, and the friction causes fusion in the transition disk, and this makes it one of the brightest objects in the universe. 

But if the black hole is alone the situation would be different. If there is no material, what drops inside the singularity, that means that there is no transition disk around the black hole. This means that the observations of the black hole are hard to get because the radiation of the object would come actually from the transition disk, and material, what orbits the black hole. If there is no transition disk, the observations from the black hole itself are impossible. 

And the radiation that comes from the black hole is mainly the X-ray or Gamma-ray frequential. This kind of radiation cannot normally pass the atmosphere and the observations of the black holes must be made by using spaceborne telescopes. The black hole is the only natural object, which sends the X- or Gamma rays and those objects are known as bright X- and Gamma-ray sources. The Gamma-rays confirmed that Cygnus-X-! is the stellar-mass black hole(2). 

So the force of the black holes is extremely high. And the distance between Earth and Cygnus X-1 is 6000 light-years. The new black hole that is found is 1000 light-years away from Earth, and if the black hole is a more common thing than we ever thought, there might be less habitable planets than we have even thought. The high-level X- and Gamma-ray radiation can cause that life is impossible at the dry areas and life must stay below the surface of the water, which protects them against the high-power radiation. 

(1)https://www.independent.co.uk/life-style/gadgets-and-tech/news/black-hole-earth-space-eso-closest-planet-a9501511.html

(2) https://en.wikipedia.org/wiki/Cygnus_X-1

Image: https://www.sciencealert.com/astronomers-have-just-found-a-black-hole-just-1-000-light-years-from-earth