Do Black Holes Live Forever?

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Black holes are one of the most frightening and terrifying cosmic objects that wander the huge universe. They have a gravitational force so tough that even light cannot escape from it. Black Holes have been around a long time. To even terminate a black hole it’s extremely unbelievable. So a question rises here and possibly you have thought it too, do black holes live forever? Well there is a reaction to that and the tiny form is no they don’t live forever. We now know that black holes essentially evaporate over time and contract. The man who finally replied this question for us is nobody else other than Stephen Hawking (you must have heard of him). In 1974 he calculated the area close to the black holes horizon by means of the laws of quantum mechanics. For those of you who don’t know, quantum mechanics defines what occurs on the smallest scale possible. When we are talking about the lowest scale, we are talking about on atomic levels or even sub-atomic levels.
Atrist's Impression of a Black Hole – Credit: http://chandra.harvard

The theory states that minute particles and light are uninterruptedly created and destroyed on sub-atomic scales. The particles that pop in and out of life are called positive particles and negative antiparticles. Some of the light generated has a very small chance of escaping before it gets shattered. If you were observing on you would see as if the black holes horizon was blushing. The energy of this glow drops the black holes mass and will continue till it is all disappeared.

Though, a point worth stating is that Hawkings glow (or also known as Hawkings radiation) doesn’t actually apply to any of the black holes that occur in our universe, at least not in the way you consider. The temperature of the glow in those black holes is nearly 0 and the loss of energy is minor. The quantity of time for the black holes in our universe to vanish will take more than a billion times a billion times a billion times a billion times a billion times a billion times the age of the universe to vanish entirely. However, if a black hole was the size of a cruise ship it would vanish within seconds. If you had a trillion years to standby and you desired to watch a black hole die you would see it shrink up until it got so small that it became brutally unstable. At this point it would have an enormously violent burst or a gamma ray burst and discharge all the energy back into the cosmos.

 It’s exciting to see the concepts of the very small come together with the concepts of the very large. Black holes do certainly die.

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