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Chapter 97 There is a white dwarf

The star closest to Xiao Yu is a red dwarf, its mass is only about 50% of the sun. It is the most common and most numerous star in the universe.

The smaller the star, the slower its nuclear fusion reaction and the longer its lifespan. The lifespan of the universe is about 13.7 billion years, and the lifespan of a red dwarf star is much longer than this number. Therefore, there are currently no stars in the universe.

Dead red dwarf star.

The Eagle Nebula contains several open star clusters, and each open star cluster contains dozens or hundreds of stars. Among these numerous stars, this red dwarf star can only be regarded as very ordinary and inconspicuous.

one of.

Stars are formed by the aggregation of cosmic dust, so the Eagle Nebula is naturally a huge star factory. In the Eagle Nebula, Xiao Yu observed at least dozens of protostars.

A protostar is the embryonic stage of a star. Because of unstable gravity, the interstellar dust cloud will collapse toward the center. In the process, it will emit infrared rays and the core temperature will increase until deuterium fusion begins. Then,

The core will stop contracting.

At this time, interstellar dust clouds are still falling on the protostar like raindrops. Its mass will continue to increase, its core temperature will become higher and higher, and its density will become higher and higher. Then, the fusion of hydrogen will begin.

, it begins to radiate considerable light and heat, which means that a star is actually formed.

After a star is formed, it will emit a powerful stream of high-energy charged particles to disperse the interstellar dust material that continues to surround it, and this will prevent its mass from further increasing.

In such a process, a star was created.

The Eagle Nebula, a huge star factory, also has another resounding name, that is, the Pillars of Creation!

Stars are the most important stars in the universe. They radiate their energy generously, and their existence creates a good foundation for the emergence of life. Therefore, such a huge star factory is called Creation.

The name Zhizhu is not an exaggeration at all.

Xiao Yu saw that 1.6 light-years away from him, there was a star embryo in the protostar stage. At its poles, powerful jets were emitted that stretched tens of billions of kilometers away.

Under its gravity, the dust in interstellar space gathers around it to form a dust disk, quickly rotating around it and constantly converging on it. In this process, there are strong ultraviolet and X-rays,

Gamma rays burst out.

The Eagle Nebula is such a magical place.

In addition to stars, Xiao Yu also noticed several special locations. One of them was 1.4 light-years away from Xiao Yu's target star. At this place, there was a star with 0.7 times the mass of the sun that was in chaos.

It is moving. It is rotating crazily around an invisible point, and at the same time, it is losing mass at an alarming rate.

About 500 million tons of matter in the sun participate in fusion every second, of which 4 million tons of matter are converted into energy. In other words, the sun loses 4 million tons of mass every second. But this 0.7 times

The loss rate of a solar-mass star reaches an astonishing 20 million tons per second!

According to the theory of stellar evolution, this is basically impossible. Therefore, combined with its weird orbit, Xiao Yu came to the conclusion that it has a companion star, and this companion star is constantly moving away from it.

Stealing material from one's body.

After coming to this conclusion, Xiao Yu started to feel a little worried.

For a companion star, it is invisible in the visible light band, which proves that its nuclear fusion reaction has stopped and its size is small, but it also has a large mass.

Xiao Yu came to the conclusion that there was a white dwarf star there.

This white dwarf star, like a ferocious piranha, is rapidly tearing off pieces of meat from its companion star.

Based on this biting efficiency, this white dwarf star will very likely have a nova explosion in the near future.

Of course, this near future is measured on a cosmic scale. Millions of years from now and one second from now are both in the near future. However, based on observational data, Xiao Yu is 95% sure that this white dwarf star,

A nova explosion will occur within a thousand years.

Nova explosions are different from supernova explosions. Nova explosions can occur repeatedly on a white dwarf star. Although type Ia supernovae in supernova explosions also occur on white dwarfs, the specific mechanisms are different. Generally speaking, in each

Among the different types of death star explosions, nova explosions are the least powerful.

But even the least powerful nova explosion is countless times more powerful than the collision between Jupiter and the Moon, or even the collision of Tianyuan A with Tianyuan IV. Xiao Yu's target star is only a few meters away from this untimed bomb.

At a distance of 1.4 light-years, it is likely to be affected in a major event such as a nova explosion.

Xiao Yu thought about it for a long time and decided to continue with the original goal. There were two reasons for this. First, at such a distance, the new star explosion would not necessarily affect him. Second, Xiao Yu hoped to get a

The opportunity to observe nova explosions at close range will greatly enrich Xiao Yu’s stellar evolution theory.

In the light red universe, Xiao Yu's fleet was traveling rapidly.

Small flashes of light continued to erupt from the protective cover of Xiao Yu's spacecraft. Xiao Yu knew that it was caused by the impact of interstellar dust clouds on the protective cover. Under the cover of countless small flashes, Xiao Yu's fleet seemed to be wearing a

The clothing of stars is extremely gorgeous.

The density of matter here is thousands of times higher than that in other places. The thick gas cloud causes Xiao Yu's fleet to be continuously slowed down. At the same time, the impact of gas cloud particles may also cause the deviation of Xiao Yu's fleet route. Xiao Yu only has

By constantly adjusting the course and accelerating, I managed to maintain the speed above 3,000 kilometers per second.

Fortunately, Xiao Yu had enough fuel, otherwise, if he continued to use it at this rate, the fuel would have been used up long ago.

Time passed bit by bit, and Xiao Yu was getting closer and closer to the target star. As of now, Xiao Yu has only ten years of voyage left, a distance of about 950 billion kilometers.

This distance is still outside the heliopause of the star, but Xiao Yu has already begun to encounter a small number of meteorite blocks. These meteorite blocks shuttle through the universe along chaotic orbits.

On a stellar scale, the entire Eagle Nebula is a chaotic multi-body system, and the movement of the planets within the multi-body system is chaotic and unpredictable, which also leads to the instability of interstellar matter. The movement of these meteorites is also Xiao Yu's

It can't be predicted, so this situation often happens. One second, a meteorite was still flying leisurely, seemingly disdainful of Xiao Yu's fleet, but the next moment, they didn't know which one was there.

Under the influence of the star, it suddenly changed its orbit and hit Xiao Yu fiercely, exploding a large cloud of sparks on the protective cover of Xiao Yu's spacecraft.

Xiao Yu was a little helpless about such a thing.

Meteors began to be encountered at such a long distance, which raised Xiao Yu's estimate of the chaos within the galaxy to another level. It is very likely that the star system here is even more chaotic than the Tianyuan Four Galaxy.

Ten times, a hundred times.

"It will take me ten years to reach my destination. My sailing speed is really too slow. I don't know when I will be able to step into the realm of level four civilization and master faster-than-light navigation." Xiao Yu was somewhat agitated.

He thought depressingly, "According to Luca 2, the peak of Level 3 civilization can reach fifty percent of the speed of light. The sailing speed of a primary Level 3 civilization that has been in Level 3 civilization for hundreds of thousands of years can reach 50% of the speed of light."

It can also reach 5% of the speed of light. Hey, after arriving at the target galaxy, relevant research must be carried out as soon as possible."

Under Xiao Yu's continuous brainwashing, the tens of thousands of Lucca people on the New Home have long since devoted themselves to Xiao Yu's command. Even if Xiao Yu tells them to die, they will obey without hesitation.

In the past twenty years, thousands of Lucca children were born. As soon as these Lucca children had the ability to receive knowledge, Xiao Yu immediately organized a special school to cultivate their sense of loyalty from an early age, and even,

The sentence "Always loyal to the master" is written openly in the textbook.

Today is the monthly routine reporting time. Xiao Yu connected to Luca 2 and listened to Luca 2 reporting to him some situations on the New Home.

After quietly listening to the report of Luca 2, Xiao Yu sent it some information about the target star and ordered: "Let your scientists plan the most feasible technology upgrade plan for me, and I will use it to do it."

refer to."

Luca No. 2 agreed respectfully: "I will obey your orders, Master."

Xiao Yu didn't take this matter to heart. Compared with other complicated things, the Luca people were not worthy of Xiao Yu's investment. However, three days later, an emergency communication from Luca 2

The request changed Xiao Yu's view.

"Master, Master, you...can you give me...more information? Yes, it is about this star field." Luca No. 2 said in a somewhat urgent voice.

Xiao Yu was a little strange, but still gave the detailed information of the Eagle Nebula to Luca 2. Three hours later, Luca 2 sent another urgent communication request.

Xiao Yu answered the call impatiently, and heard the bitter voice of Luca No. 2: "Master, we are in trouble."

"Huh?" Xiao Yu expressed his doubts in one syllable.

"The Eagle Nebula is called the Crimson Star Territory within the alliance, and the Crimson Red Star Territory is a Level 2 moderately dangerous area. Three hundred thousand years ago, there was a Level 4 civilization fleet passing through this Star Territory.

After that, the bodies of all the civilization's creatures underwent horrific mutations..."


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