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Black Holes


In this path the star collapses on itself even more. In this scenario, it becomes so dense that nothing can escape it; not even light. What forms in this scenario is what is known as a black hole (Moore 57). To escape the gravitational pull of a black hole would take something moving faster than the speed of light. Since even light is sucked into the black hole; there is no way for us to actually see the black hole.
             Once a black hole is formed, it turns into one of the scariest and deadliest things in the Universe. A black hole has such a huge gravitational pull that it literally starts eating other stars that are around it. When stars get sucked into the gravitational pull of a black hole; the black hole starts sucking the gas out of the stars and pulling it towards the black hole at very fast speeds. When this gas gets sucked into the black hole it starts to accelerate to very fast speeds. This gas forms what is called the accretion disk around the black hole; which is at the center of the disk. In turn, the gas heats up to about one hundred million degrees Celsius. When the gas gets this hot it starts emitting X-ray beams. This is one way that we can detect black holes. Space probes orbiting the Earth take survey of X-rays and once they are found; we investigate the source of the beams (Whitney 43). This process destroys stars by taking away all their gas over a period of millions, if not billions of years. These two bodies are orbiting each other as the black hole takes away the gas from the star. Since a black hole is not visible to the human eye; it takes a lot to figure out exactly how big a black hole actually is. The way astronomers figure it out is by measuring the Doppler shift of the star. The larger the Doppler shift, the faster it is moving therefore the harder the black hole is pulling on it. If the black hole is pulling on it really hard, that means that it must have a very large gravitational pull; therefore, it is a bigger black hole (Pickover 82).


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