The amazing and unimaginable facts of a black hole

The black hole is the mysteries wonder in the galaxy. Many scientists are researching it but also it still remains a mystery. The black hole is first considered by john Michell and Pierre-Simon Laplace in the 18th century. after some long period of time in the 20th century, Albert Einstein first predicts the black hole in his theory of general relativity. Many of them are research about it out of all steven hawks and Albert Einstein is a great figure in the field. Steven hawks provide more research papers about the black hole in his theory of black hole.
               According to Albert Einstein’s theory, the black hole is a region of so strong gravitational field in the spacetime that attracts all particle even radiations also like electromagnetic radiation example lights also didn’t escape from it, it attracts into it. Ok now one question uprising into our mind i.e., how black holes are forms? Ans: according to his theory, the sufficient mass can deform in spacetime to form a black hole i.e., the star in the spacetime due to its fissile reaction explode and it became deform in that region to form a black hole.

               Some of them thought black hole are in ellipse shape but according to Einstein, it flowers in shape. If any particle stuck at an event horizon that is the boundary of the black hole due to a strong gravitational field it leads to an infinite space. In time and space plays a swap role inside the black hole but nobody knows exactly what is exactly inside the black hole. According to steven hawks, a black hole is expected to shrink and evaporate over time as they lose mass by the emission of a photon and other particles.

               The Solar mass black hole will evaporate over 10 to the power of 64 years. A supermassive black hole with a mass of 10 to the power of 11 will evaporate in around 2x10 to the power of 100 years. In principle, a black hole can have any mass equal to or above 22 micrograms. until 2016, the largest known stellar black hole was mass of approximately 16 solar mass. Estimated at 40 billion solar mass of black holes are there. they are four types of black holes are their 1.schwarzschild (Non rotating, uncharged) 2.reissner Nordstrom Non rotating, charged) 3.kerr (rotating, uncharged) 4.kerr Newman (rotating, charged).  

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