At this moment, Xiao Yu has come to the side of this quasar, about hundreds of billions of kilometers away from the edge of the quasar, observing this strange thing at close range.

The distance of 100 billion kilometers is really nothing compared to the power of quasars. Here, Xiao Yu detected the equivalent of the amount of radiation added up by a river system, and the violent energy erupted outward like a raging wave, even shaking the space violently. Curvature navigation here is a very risky affair because the space here is extremely unstable. However, for Xiao Yu, he is barely within the range that can be dealt with.

Another great threat is the tidal force caused by the gravitational pull of the quasars. Xiao Yu's warships generally have a length calculated in kilometers, so there is a big difference in the gravitational force between the end away from the quasar and the end close to the quasar, covering up the huge tearing force, which is enough to tear a star apart. Even with Xiao Yu's technology at the moment, he had to be cautious when facing quasars.

Quasars can be said to be the most violent energy release mode in the universe, when a supernova explodes, its luminosity can overwhelm the entire river system in an instant, and quasars have been maintaining a stronger radiation intensity than supernova explosions.

Xiao Yu observed this little guy with a diameter of only a little more than a daylight, that is, about 20 billion kilometers in diameter, and his heart was full of shock and yearning. In such a void and empty place, the magic and power of the universe were displayed in front of Xiao Yu in such a naked way, making Xiao Yu feel that he was still so small.

Xiao Yu saw two bands of light erupt along the poles of the central black hole inside the quasar. It was sprayed all the way to infinity. In the distance, the jet is even connected to another river system, and the matter and energy in the jet collide violently with the matter of the other river system. Countless strange phenomena are happening there.

That river system was a full 1.3 million light-years away from the quasar in front of Xiao Yu. And a small guy with a diameter of only one light sky, the jet can travel a long distance of more than a million light years.

The river system is revolving around a common center of mass with the quasar. A medium-sized river system with a span of more than 20,000 light-years, in terms of total mass, is not even comparable to this little guy with a diameter of only one day's sky. It and the quasar form a structure similar to a binary star. At the same time, a lot of its mass is constantly being lost, and it is constantly attracted to itself by this quasar. A kind of material similar to Magellan's stream has been formed in this universe.

Infinite amounts of matter are spinning wildly around the giant black hole in the quasar, so fast that they are too densely squeezed by the gravity of the central black hole. The collisions are so frequent and powerful that they possess levels of energy beyond the limits of what sapient beings can imagine. Xiao Yu even saw a dwarf planet the size of the moon rushing towards this quasar at a speed extremely close to the speed of light, and the extremely high approach speed slightly offset the pull of the tidal force, but it still couldn't escape the fate of being torn apart. It is still nearly a trillion kilometers away from this quasar, and it has been pulled into an ellipse. It crossed next to Xiao Yu's fleet. Without looking back, it slammed into the accretion disk of the quasar.

The density of matter on the outside of the quasar is a little thinner, and near the quasar, the density of matter reaches an unimaginable level. The gravitational pull of black holes is so great that it has squeezed them out of their normal form of matter. In some parts of the huge accretion disk that revolves around the black hole, the form of matter even bears a slight resemblance to a neutron star. In other words, in some parts of the accretion disk, if you take out one cubic centimeter of what is there, it will weigh hundreds of millions of tons.

This is an almost unimaginable form of existence. The most important thing. Even though matter has become in this form, it is still rotating around the black hole at an extremely high speed. It's like a bowl of water. It doesn't take much effort to stir it up, but if you change the bowl of water to porridge, it will take a lot of effort to stir, and if you change the bowl of porridge to molten steel, it will be very difficult to stir.

But...... What about replacing this bowl of molten steel with a cubic centimeter of neutron star matter weighing hundreds of millions of tons? What kind of form would neutron star matter look like when it was stirred?

Now, the central black hole in this quasar is doing just that. It stirred up the mass of neutron stars, which was equivalent to a hundred million times the mass of the billion, and devoured them like crazy. Extreme stars such as majestic neutron stars and white dwarfs are more humble than ants among quasars.

This can no longer be described as madness, this is a miracle, this is the greatest, most amazing place in the universe.

The dwarf planet, pulled by the gravity of the quasar, slammed into the quasar at a very high speed, colliding with the crazy matter in the quasar's accretion disk. Such an impact is enough to knock several stars through directly, and in such stars, there is no sign at all. The quasar is too bright, the energy radiation is too violent, and it's just a dwarf planet, and it's really hard to turn the sky here.

Crazy things like this happen here all the time. And the huge energy they carry because of their extremely high speed makes Xiao Yu very jealous in his heart. Xiao Yu is not a quasar, and can ignore such a powerful burst of energy. Even if it is a Cluster-class battleship, it will be damaged to a certain extent if it is hit by such a crazy thing.

Xiao Yu was beside this quasar like this, quietly and cautiously observing this quasar, watching its two huge jets blowing out millions of light years, and looking at the accretion disk that rotated wildly at high speed......

"Quasars are so scarce and devouring matter too fast that, in general, quasars are unlikely to exist for too long. If this quasar hadn't had a river system next to it to provide material support, I'm afraid it would have swallowed up the matter in its accretion disk long ago, and it would have dimmed. Xiao Yu thought silently in his heart: "I don't know what kind of form the quasar's accretion disk will become after it disappears?" Is it a single, massive black hole with tens of billions of times the mass of the sun, wandering in this empty space? ”

The quasar will inevitably dim because there is no infinite amount of matter for it to devour. And without matter, the jet of the black hole, the brightness, the violent energy radiation will disappear, and it will eventually calm down. The place where the quasar is located does not belong to any river system, and it is wandering in such an empty space, such a scene makes Xiao Yu feel cold in his heart when he thinks about it.

The black holes in the quasars are so powerful that they are unusually quiet after losing their accretion disks, and they hide in this empty and empty dark space like a peerless beast. On a long-distance space voyage, encountering such a black hole is obviously not a pleasant thing.

The quasar in front of him is still in its prime because of its material replenishment, and in this universe, how many quasar black holes exist that have calmed down, where they are wandering, and where they will run next, Xiao Yu has no idea about this. But Xiao Yu knew that there would definitely be such things in the universe, and the number would not necessarily be small.

During the long journey, these unusually massive black holes may occasionally come close to a river system, and at that point, they will be activated again and start another feast. A super black hole of this mass level would be devastating for a river system. They will never leave any river system they are close to until they have swallowed it up.

This is a veritable destroyer of the river system.

If the galaxy encountered this kind of black hole before Xiao Yu became a seventh-level civilization, then Xiao Yu, and all the civilizations living in the galaxy, whether it was a sweeper or a guardian, no one could escape, and everyone would die.

At that time, first of all, in the mutual attraction with the central black hole of the river system, the super black hole will go straight to the river system, it will first merge with the central black hole of the river system to become a larger black hole, and then it will begin the process of devouring the river system. Of course, before this, it had already disrupted the order of the river system along the way, and there was already an unknown amount of matter that had been swallowed by it. After merging with the central black hole of the river system, the change in gravity will bring about a change in the orbit of the stars, and they will fall wildly into the super black hole until the last star, the last planet, asteroid, dwarf planet, interstellar dust, white dwarf, neutron star, etc. are all swallowed up.

At that point, the super-black hole may burp and continue its journey.

This is a heroic event that will make Xiao Yu's heart cold when he thinks about it. And now it seems that the poor river system that forms a binary star system with this quasar is probably unable to escape this fate of being swallowed. If there is life in this river system, they should seize the time to develop and escape from this river system as soon as possible.

"It's too dangerous to get close to this guy, so I'd better just take a look." Xiao Yu thought secretly, and quietly dispelled the idea of entering the quasar to observe it. The super black hole in the quasar, Xiao Yu has no chance to see its true face. (To be continued......)

PS: The cold has worsened...... It's been a day of grogginess today.,Barely wrote a more to keep changing.,Rainbow doesn't know if there's a second more.,Now work hard to write.,If you can't write it, I hope you scold it.