Mesmerizing Facts about Black hole (part-1)

Mesmerizing Facts about Black hole (part-1)

1.The black hole has high density and masses, which is very small in size. Inside it, gravity is so strong that it is impossible to get rid of rays of light from its clutches. Since it absorbs the rays of light, that is why it remains invisible.First in relation to a black hole, in 1783, Professor John Mitchell of Cambridge University held his views. In the year 1796 after Michelle, French scientist Pierre Simon Laplace discussed the black hole in his book, The System of the World in detail.

2.To understand how a black hole is formed, it is important to understand the evolutionary order of the star. In fact, the development of the star begins with a very large cloud of dust and gases present in the Galaxy, called Nebula. Hydrogen is the largest found element in nebulae and contains 23 to 28 percent helium and a few heavy elements.

3.When the cloud density filled with gas and dust increases, at that time the cloud begins to be compressed due to its own gravity. In addition to the contraction of the cloud, the temperature and pressure of its center also increase. Eventually, heat and pressure become so high that the hydrogen nuclei start colliding with each other and it seems to build helium nuclei.

4.In this way, thermo-Nuclear Fusion starts inside the stars. This reaction is similar to a controlled hydrogen bomb explosion inside the stars. In this process, energy is generated in the form of light and heat. Thus, the cloud becomes a star-filled star with heat and light. The gravitational force of the stars remains in balance by the heat from thermophilic fusion, which keeps the star firm for a longer time. Ultimately when hydrogen and other nuclear fuel is present within the star, it does not get enough heat to balance its gravity. In this way, the star starts to cool down.

5.Indian astrophysicist Subrahmanyan Chandrasekhar made it clear in the year 1935 that, 1.4 times the mass of stars from the solar masses that ended their fuel, which could not handle themselves against their own gravity. There is an explosion inside that star, which is called the Supernova explosion. After the explosion, if its remains are left, then it becomes the highly dense 'neutron star'.

6.As we know that black holes do not emit rays of light, how can we expect them to find them? This was a serious problem for astronomers. But astronomers also found solutions to this problem. According to Michelle, even if the black hole is invisible, it also puts the effect of gravitational on its adjacent objects. Astronomers underwent this project to observe those pair stars located in the sky, which intercept each other with the gravity of one another. Imagine two stars in the sky orbiting each other, one of them is invisible and the second star is visible. In such a situation, the visible star will orbit the invisible star.If we consider the invisible star as a black hole in haste, then we may also be wrong because it can also be a star that is far away from us and its light is so slow that we are not visible. If the astronomer will collect information related to its mass based on the astronomical calculations related to the orbit of the star, then that astronomical method can be easily detected by the mass of that invisible star. If its mass is three-four times greater than the solar mass, then it is highly probable that the invisible star is a black hole.

7.There is another way to prove the existence of black holes as well. Imagine, there is a visible star near the black hole, then the black hole will keep the gaseous mass of this visible star from its surface. X-rays will be emitted rapidly (due to friction, heat, and pressure) due to the fall of the mass of the visible star in the black hole. Then the physical existence of the black hole can be proved by observing and studying the origin of X-rays.Astronomers found an extremely huge X-ray source in the Hans-Cygnus constellation in the year 1965. That source was named Cygnus X-l. In the year 1970, it was discovered by a satellite launched by the U.S. that Cygnus X-1 is not a white neutron star, but a black hole. Actually, the Cygnus X-1 is a pairing strategy. The visual star of this pair is very vast, which is orbiting the invisible star. Astronomers also determine the mass of Cygnus X-1.

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