The two black holes at the core of the Andromeda Galaxy eventually merged into a larger black hole. This is an unchangeable fact. Not even Xiao Yu can change this. This is an action between stars with hundreds of millions of times the mass of the sun.
Xiao Yu may be able to spend a long time and huge energy to destroy these two black holes, but he has no ability to prevent their final fusion.
When two stars collide, there is a high chance of merging into a larger star. During this process, an extremely violent burst of energy will occur. When two white dwarfs collide, depending on the conditions, a larger star will be formed.
A heavy white dwarf star will either explode or form a neutron star, but in this process there will still be a huge burst of energy. As for the collision of two neutron stars, there is no need to say more. The violent burst of energy caused by the collision of neutron stars is
The most intense energy burst in the universe, one of the sources of gamma ray bursts.
It stands to reason that a collision between two black holes will result in a more violent explosion of energy, but this is not the case. The most important point is that black holes are only allowed in and out, except through negative matter particles and information storms.
In addition to losing mass and information, black holes do not allow any other matter or energy to escape from their bodies. This means that the process of two black holes merging with each other is gentle, and they will end up with basically no loss of energy or matter.
The bottom is merged into one.
The reason why it is said to be "basically" rather than absolutely is because under special circumstances, unexpected situations will still occur. For example, now, when the two black holes are surrounded by a large amount of matter,
Down.
The extreme gravity of the black hole will accelerate the matter rotating around itself to an extremely high speed, forming an accretion disk. In this process, huge amounts of energy will be ejected along the poles of the black hole, and even millions of lights will be ejected.
A distance of years. This is one of the most spectacular sights in the universe, the black hole jet.
During the fusion process of these two black holes, the black holes themselves will not lose any energy or mass, but the dust clouds rotating around them at extremely high speeds are different. During the collision, they will
Collisions at extremely high energy levels erupt with unparalleled intensity of energy, which is stronger than neutron star collisions, supernova explosions, etc.
At that time, the entire core of Andromeda will become brighter, even exceeding the brightness of the stars in the entire galaxy. At that time, the brightness of the Andromeda Galaxy will also increase many times when viewed from the Milky Way. It will even reach the age of the Earth when Jupiter is viewed from the Earth
degree of brightness.
If the earth still exists, then at that time, there will once again be a beautiful scenery in the night sky of the earth.
This is the collision of galaxies. In a few billion years, the collision between the Milky Way and the Andromeda Galaxy will recreate this scene. The difference is that at that time, the energy bursting out from the core of the galaxy will be more intense. After all,
The black hole at the core of the Milky Way is much more massive than the smaller of the two black holes.
"The collision of galaxies will trigger a new round of star birth boom. By that time, the Milky Way-Andromeda Galaxy will become a starburst galaxy, and the explosive birth of a large number of new stars will completely change the face of this new galaxy.
"Unfortunately, that will happen tens of billions of years later." Xiao Yu thought silently. "At that time, I still don't know whether it exists. I don't know if I will have the chance to see this scene.
"
Simply put, starburst galaxies are river systems where a large number of new stars are born. The reason for this is that the collision of river systems will disturb a large number of gas and dust clouds in the two river systems. The gas and dust clouds will condense and aggregate with each other.
New stars are born.
Xiao Yu stayed at the core of the Andromeda Galaxy for decades. During these decades, Xiao Yu carefully observed various stars and gas flow operation data here, and further improved his
Theory of river system evolution.
If there were no special circumstances, Xiao Yu would stay here for a longer time, but an unexpected thing happened that broke Xiao Yu's plan.
Through the heavy interstellar gas, bright stars and the obstruction of long distances, Xiao Yu observed that at this moment, a supernova explosion occurred in the distant galaxy, and one of the two poles of this supernova explosion happened to be facing Xiao Yu's current location.
direction. Therefore, in Xiao Yu's view, the brightness of this exploding supernova reached the brightness of the entire river system in an instant, as if a light suddenly lit up in a dark room.
Supernova explosions are very common. Although they only occur when stars that comply with the rules die, thanks to the huge number of stars, if you search carefully, you can always find several explosions every day in the universe. But this time
There's something unusual about supernova explosions.
After all, it came from his hometown, the star changes in the Milky Way, so Xiao Yu recorded the various data of this supernova explosion in detail, and then, seemingly subconsciously, Xiao Yu compared the data of this supernova explosion with the data in his own database.
A comparison was made with many supernova explosion data stored in .
Just this comparison, the conclusion reached made Xiao Yu shocked. Xiao Yu reviewed the comparison results somewhat unbelievably, but the final conclusion was still the same.
Xiao Yu began to feel confused. Xiao Yu didn't know whether this situation was a coincidence or his own observation error, or... this situation really happened in the galaxy.
What Xiao Yu observed was a very ordinary supernova explosion, but in terms of time, it was definitely extraordinary. When he was in the Milky Way, Xiao Yu had detected the remains of this supernova explosion, and had
We have sent detectors to this place. It is about 9,000 light-years away from the Earth in the direction of the constellation Camelopardalis as seen from the Earth.
Yes, although Xiao Yu has just seen the light of this supernova explosion now, when Xiao Yu was still in the Milky Way, Xiao Yu had already arrived and explored the wreckage of this supernova explosion.
This is an incredible thing. It is illogical, but the data obtained by Xiao Yu's detection clearly told Xiao Yu that the supernova explosion he observed this time was the one he had explored before.
"What's going on?" Xiao Yu thought in disbelief, "I have obviously explored its wreckage, why am I seeing the image of its explosion here again?"
In fact, according to the existing theory, it is not impossible for this situation to occur. The main reason is due to the impact of the emergence of super-light travel technology. For example, when Xiao Yu was in the Milky Way, in one hundred thousand years
A supernova explosion occurred before and left a wreckage. Xiao Yu explored it there - at this time, the light carrying the supernova explosion had traveled a distance of 100,000 light-years. At this time, Xiao Yu
It took Yu 2.4 million years to travel a distance of 2.5 million light years to reach the Andromeda Galaxy. Then at this time, Xiao Yu will arrive at the same place with the light carrying the supernova explosion.
.
In this case, it would happen that Xiao Yu first explored the supernova explosion debris, and then saw the supernova explosion image. There is nothing surprising about this incident, but the situation Xiao Yu is experiencing now is not like this. The main contradiction is that
, the supernova explosion that Xiao Yu saw did not match the time point.
Xiao Yu once made a very detailed observation of the wreckage and concluded that the supernova explosion occurred five million years ago. In this case, the light carrying the supernova explosion had already reached the Andromeda Galaxy, and was in Andromeda.
If you look at the Andromeda Galaxy, it would have calmed down a long time ago, but now, in the Andromeda Galaxy, Xiao Yu saw this scene again.
This is an unexplainable contradiction. The possibility of two such similar supernova explosions is infinitely close to zero, but apart from this explanation, Xiao Yu really cannot explain this event.
After observing the image of this supernova explosion, Xiao Yu devoted more attention to the Milky Way. Gradually, more and more events that shocked Xiao Yu and made him inexplicable were presented to Xiao Yu one by one.
Xiao Yu began to observe several benchmark stars and neutron stars in the Milky Way, and concluded that the positions of these stars at the moment were completely different from the positions he calculated. They should have been 2.5 million years ago.
Be in the position you are observing at this moment, not now.
In the following decades, Xiao Yu observed more things that should only exist in history. For example, several gamma ray bursts, several supernova explosions...
All of this is like history repeating itself, and time is flowing backwards. In that distant river system millions of light years away, something mysterious and unpredictable seems to be happening.
When Xiao Yu saw the existence of another planet, Xiao Yu knew that he had to take a trip to the Milky Way. This incident was too weird, and he had to figure out what happened in the Milky Way. Only
After clarifying these things, you can start your subsequent space travel with peace of mind.
After all, it is his hometown. If he doesn't figure out what's going on there, Xiao Yu will never leave.
Xiao Yu saw the earth. Yes, the earth that had been destroyed long ago appeared in Xiao Yu's eyes again. At this moment, it was orbiting the sun in an orbit that was somewhat unfamiliar to Xiao Yu. And what Xiao Yu saw
The solar system also deviates greatly from the position it should be in according to my calculations. (To be continued...)