In two billion years, there will be Galaxy collisions in the Milky way. What will be the fate of the earth?

The universe is vast and vast. It is composed of trillions of galaxies. Each galaxy is an independent system. Under the influence of the giant gravity of the star, there are a number of planets and other celestial bodies around the star. For example, in our solar system, the sun is the largest star, eight planets move around it, and countless other small bodies also move within the scope of the solar system.

The mass of a star determines the size of its gravity, and it also determines the size of a galaxy. The range that the gravity of a star can affect is the size of the galaxy. Therefore, the edge of the solar system is the Kuiper belt, which is the farthest distance that the solar wind can affect. When you go outside, you will go out of the solar system for interstellar space.

The solar system is just a small galaxy, only one of the hundreds of billions of galaxies with the Milky Way coefficient, while the Milky way is considered a relatively large galaxy. There is a supermassive black hole in its center, which affects the operation and stability of the Milky way. It can be said that there is a supermassive black hole in the center of every galaxy like the Milky way in the universe. Its function is actually the same as that of a star managing a small galaxy. It also uses its super gravity to manage a number of small galaxies and other celestial bodies.

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There are at least trillions of galaxies like the Milky way in the universe, each of which is an independent large system. We know that there will be collisions between celestial bodies, which will lead to disasters. So will there be collisions between galaxies? The answer is yes. Big galaxies like the Milky way are not as big as they were at the beginning. They all became so big after the collision and fusion of galaxies.

According to the observation and research of scientists, in the next 8 billion years or so, the Milky way will collide with Andromeda galaxy. At that time, the supermassive black holes in the center of the two galaxies will also be close to each other and merge, eventually becoming a bigger black hole, and the two galaxies will also merge into a new giant Galaxy Andromeda.

Of course, 8 billion years is a very distant time. At that time, the sun may no longer exist. According to the life span of the sun, it has only about 5 billion years. By then, it will become a white dwarf and lose light and heat. When people think that 8 billion years is still very far away, a new problem has emerged. Recently, some scientists said that the Galactic collision event may occur ahead of time. What is the situation?

It turns out that some scientists have observed that there is a galaxy that will collide with the Milky way before Andromeda Galaxy arrives. This galaxy is the Large Magellanic nebula. Of course, this galaxy can’t be compared with Andromeda galaxy. It can only be regarded as a small sub Galaxy in front of Andromeda galaxy. Even so, once it collides with the galaxy, it will still bring great trouble to the galaxy.

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Scientists say: the collision event between the great Magellanic nebula and the Milky Way galaxy will be in the next two billion years, which is much earlier than 8 billion years. Compared with human life, 2 billion years is very long, but it is very short on the time scale of the universe. Influenced by the gravity of the Milky way, the Large Magellanic nebula is approaching the Milky way, and the collision between the two galaxies will bring disaster to the Milky way.

Along with the collision of the Large Magellanic nebula, the dormant black hole in the galaxy will wake up, and the black hole will begin to devour the surrounding gas, and its volume will increase by 10 times. Scientists say that as the black hole expands, the active black hole will continue to expand, releasing high-energy radiation. The initial collision could throw our solar system into space.

The Large Magellanic Cloud will be devoured and destroyed by the Milky way, and will cause great damage to the Milky way, wake up the central black hole of the Milky way, and make the Milky way become an “active galactic nucleus” or quasar. This phenomenon will produce a strong stream of high-energy radiation, ejecting from the black hole. Although the collision event will not affect the solar system, we can not be intact in the collision process of the two galaxies. The collision may push the solar system out of the Milky way and into interstellar space.

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At this time, I believe many people will ask: what will be the fate of the earth at that time? As the solar system is located at the edge of the solar system, once the big Magellanic Nebula collides with the Milky way, it can not directly lead to the destruction of the solar system, which is good news for the solar system. Although this is the case, due to the strong jet force of the black hole in the center of the galaxy, the solar system may be thrown out. At that time, the earth will be thrown out of the galaxy with the solar system for interstellar space.

The universe is not full of galaxies and celestial bodies. In fact, most areas of the universe are void. There are no galaxies and celestial bodies. This is interstellar space. Every galaxy like the Milky way exists in the vast interstellar space, and the distance between galaxies is less than one million light years, and more than hundreds of millions of light years.

After the solar system enters interstellar space, it will become an independent Galaxy like the Milky way, which is no longer managed by the Milky way. But because the solar system is too small, it will move rapidly in interstellar space, and will be gradually influenced by the gravity of another larger galaxy, gradually approaching each other. Countless years later, just like the fate of the great Magellanic nebula, it will plunge into another large galaxy and collide with each other, then the solar system may usher in the fate of destruction. Of course, this time is very long, ranging from several billion years to several hundred billion years.

The fate of the earth depends on the fate of human beings? If the earth does not have such intelligent civilization as human beings, the final fate may be destroyed with the collision of the solar system and other galaxies, but with intelligent civilization, the situation will be different. With the rapid development of human science and technology, human civilization will enter the interstellar civilization, when we can gallop freely in the universe.

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At this time, we will naturally see the solar system constantly approaching a galaxy. At this time, in order to avoid future collision events to bring destruction to the earth, human beings will inevitably find ways to move the earth out of the solar system. It is totally unimaginable for human beings to immigrate a planet to a galaxy, but it may not be very difficult for human civilization hundreds of millions of years later.

At that time, scientists would install gravitational energy engines at various important positions on the earth, turning the earth into a spaceship. Then, driven by the engines, the earth began to get out of orbit and quickly flew out of the solar system. In this way, the earth will leave the solar system and form a wandering planet. Without the care of the sun, the earth needs to face all possible cosmic risks.

However, at that time, human science and technology had to solve these problems completely. For example, the artificial sun could make the earth leave the sun without any light and heat. With the engine, we are not afraid to hit other celestial bodies. Of course, it’s not good to let the earth wander all the time. Scientists will find a stable galaxy, and then let the earth get close to the star that finally enters the galaxy, stop in the habitable zone, and then move around the new star. The earth will settle down in a new home and end its wandering career.

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Guys, what do you think of this? Welcome to leave a message below to discuss and express your opinions.

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