The men with the theory

Physicists believe black hole exists, because there are a lot of observations made in believe so. Scientists are still looking for evidence of the actual existence of black holes in the universe. They have detected emissions of X-rays and infrared radiation’s in the areas tentatively marked as black holes. Unfortunately it is hard to find something that is invisible and so far away.

 The notion of black hole goes way back to 1798 to the French mathematician Pierre Simon de Laplace. Although Laplace agreed with the theory of Isaac Newton’s that light is composed of particles. He rationed that if enough mass were added to a star like the Sun, its gravitational force eventually would keep light particles from leaving its surface, and the star would become invisible, like a black hole.

In 1917 an astrophysicist, Karl Schwarzschild in Germany predicted the existence black holes. He supposedly confirmed that stars with mass that is much greater than the sun results into a black hole. The black holes size and formation remains almost the some due to the equilibrium between the two forces. One being the expansion force caused by the immensely high temperature which tends to increase the star’s Substance and that the other being extremely high temperature which tends to contract the star’s substance.

 Some theories now of how the cosmos became were some of Einstein's work and calculates the existence of both the black holes and singularities that contain them. Although Einstein didn’t believe in their reality, he believed along with other of his work that mostly black holes were a mere mathematical guess. Einstein's general theory of relativity illustrates gravity as a warp of space time based by the presence of matter. If the warp is feeble, In this process the atoms present in the star break into electrons, protons and neutrons. The mutual repulsion between the electrons resists further contraction. The star, at this stage, is known as ‘White dwarf’. After some time, under certain conditions, the gravitational pull becomes too strong to overcome electron repulsion. The light emitted from the neutron star reduces its energy and as a result its size further decreases. At some stage, no radiation’s (including light) come out from this star; it is now a black hole. Russian scientists suggested calling them "collapsars," but it wasn't until 1969 when Princeton physicist, John Wheeler coined the term black hole. Black holes have continued to hold public interest and are a popular fixture of science fiction books and movies.    

                                         Could a black hole ever be destroyed?

 Professor Stephen Hawking’s theory about the evolution of black holes goes like this:

Space, instead of being empty, is actually filled with virtual particles. Virtual particles cannot themselves be detected, but their presence is only known by their effect on other objects. These particles have two halves: one half gets sucked into the black hole while the other half – created from the black hole’s mass – evaporates, or radiates outward. Though the evaporation process, the black hole loses mass until, many billions of years later, there is nothing left. And what would happen is a large black hole evaporated in the way Hawking proposes? Its complete evaporation would result in a huge explosion equal to a billion hydrogen bombs. It should be a trillions of years, however, before and such event takes place.

By  Dylan Bell  and Mack Docksteader

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