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The first picture of the black hole: impossible when it became a reality-Part Two

Welcome to Next part.......



That means, once you enter some black hole, you will not be able to come out. Our lucky, this greedy hunger strike of black hole is actually limited to the horizon of events around it. Just to this extent, the black gravity of the black hole could be kept in light. But beyond the horizon, there are some effects of this (actually, too much to read), do not forget that the Sun holds its solar system as it carries, and holds all the galaxies with its black hole).

As a result of this effect, some black hole cases are stored around the outside of the horizon, gas deposits, dust, and celestial objects or meteors floating in space. Like moths sacrifice on the chest of the light, they are also waiting for the black hole to give a sacrifice.

It is being said, how can it be possible to get a picture from the black hole that can not come out? To understand it, we must go to Hawking. This man thought most of his life was silent sitting in Chalchaye. The whole face could only move a muscle! But the idea of ​​a surprisingly thought-out theory has emerged from one's rabid brain. As if a strange magician is going to get rid of rabbits after one!

Hawking said, those who give up on the horizon of the event, their mass is associated with the black hole. As a result, the extent of the horizon of the horizon increases the boundary of the black hole. With this, there is an increase in the entropy of the universe again. According to his theory, a scientist named Jacob Beckenstein said that it is possible to find out the area of ​​the surface of the black hole from entropy. From this it can be known again in its shape and size.

The problem is that if there is an entropy for an object, it must have a temperature. But if there is a temperature then there must be radiation of energy there. But black hole does not radiate anymore! Then the way?

Scientists are in danger. Hawking gave way to the way. He said, many are the theory of relativity. Let's look at a quantum mechanics. While working with Paul Dirac's Quantum Mechanics, the vacuum or vacuum is not really zero. This is actually the sea of ​​energy. By using that power, every pair of pairs is born in pairs. Einstein himself has given the recipe behind this transformation of mass-energy; E = mc2!

However, we do not see these ears. Because they are a little different. An antimatter or antimatter of pair particles. Their characteristic is that they attack each other after the birth and destroy each other. At this time small explosions or dispersion of energy occurred.

The energy that is generated by this explosion comes out of its vacuum. Scientists are assuming that the existence of dark energy or dark energy spread through the universe is also through this. Since these particles are less likely to be seen at all, they are called virtual particles.

Scientist Stephen Hawking said, this virtual particle will help us to see black holes. If the virtual particle-joint is created on the edge of the horizon of black hole, then one of the pair can swallow black holes. As a result, another particle can be released. If this particle is released in some way, it will run in space.

Here all the complexities of physics work. However, let's just understand the 'but' between it. Since the particle pair is opposite or opposite of each other, so if it is a positive force, another is negative power. Now if the particle released in any way is positive, that means that the blackened gonadle in the black hole is negative. What will happen if this negative energy is added to the total energy of the black hole?

It is understood to know the math of childhood. Plus minus is added to the minus! Yes, that means swelling of the black hole reduces the energy of the black hole. Meanwhile, the power of the positive particle is the same as the negative particle (only the opposite of the sign). That means, the power of the black hole, but this particle has been brought.

The name of this radiation of black hole is Hawking Radiation. That means, to see the black hole, the Hawking radiation must be detected!

This is exactly what happened in the event Horizon Telescope. By detecting Hawking radiation, the episode of the black hole takes pictures of the horizon. Along with this, there have been some important information about the black hole. For example, it is known that the black hole at the center of the 87 galaxy of Messier is 6.5 billion times the Sun.

Interestingly, the event was seen in the black hole at the center of the Milky Way galaxy. But the gravitational pull of Messi's 87 galaxy is much more than Milky Way. As a result, clouds of dust-sand-stone-gas rotating around it slowly move very slowly. That's why, 55 light years away from this planetarium is the scene of the event Horizon.You, I, we are living on today, we are certainly very fortunate. Haqing himself could not see the whole picture of his fascination for life. But we got the opportunity.

If you are old enough, you can surely tell the story of grandson-Natalie Einstein did not even get it, but we were alive at the time of Hawking. As we have seen, this man has thought of all the concepts in the lifelong wheel chair.And proves that his words are true, astrophysicists have taken pictures of a black hole of 55 billion light-years away. Today is a milestone for human civilization.



Black Holes: The Reith Lectures by Stephen Hawking
Report ---- Uchsash Tousif
King Singh collected the information.
References and photos collection ---- Rour Bangla.

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