Earth Era

Comet Arthur is a sun-grazing comet, and the orbit of a sun-grazing comet has a characteristic, that is, the perihelion is extremely close, while the aphelion is extremely far away. According to its original orbit around the sun, it will eventually pass only one million kilometers away from the surface of the sun. Its sun-grazing speed will reach an astonishing 427 kilometers per second.

It is also this feature that makes it possible for humans to change its orbit around the sun and change it from grazing the sun to hitting the sun. Because its original perihelion is very close to the sun, humans don't need to change its orbit too much, just a little change is enough. If its perihelion is far from the sun, even if all kinds of tricks are used, human beings can do nothing about it.

But just this little change in orbit has already cost human civilization a huge price. Because the closer the comet is to the sun, the faster the speed, the advancing speed of Comet Arthur at this moment is already quite amazing. Fortunately, the Lightbringer spacecraft was launched from a space base, so it could have enough speed to meet Arthur's comet in space.

At the same time, the extremely high speed of progress and the extremely short time also mean that human civilization has only one chance. As long as this opportunity is missed, human civilization will no longer have the ability to change the trajectory of Comet Arthur.

The entire mission process of the Lightbringer spacecraft adopts a live broadcast mode, and any human being can watch this grand event through various media. Zhao Huasheng is no exception, even plasma life forms that do not belong to human civilization are no exception. It is also very concerned about this matter, but its mood of watching the live broadcast is completely different from that of human civilization. Every human being hopes that this mission will be successful, and the plasma life forms hope that this mission will eventually fail.

Under the watchful eyes of all human beings, the Lightbringer spacecraft finally crossed a long distance and came to a place only tens of thousands of kilometers away from Comet Arthur.

The Lightbringer spacecraft did not need to slow down after approaching Comet Arthur. Because Comet Arthur itself is advancing at an extremely high speed, all the accelerations made by the Lightbringer spacecraft in the early stage are just to obtain the same speed as Comet Arthur, and then stay in a relatively static state with it.

At this time, the Lightbringer II spacecraft set off, and the Lightbringer spacecraft that arrived earlier had already started working.

Through the recording equipment installed on the spacecraft, all human beings on the earth have seen the true face of Comet Arthur. It was a chaotic, dark, cold, manic huge rock. There are countless small fragments surrounded by fifteen large fragments, rotating and colliding chaotically. When the sun shines on it, due to the imbalance of pressure, the gas hidden deep inside it will spurt out, spraying into space like a fountain, blasting a large number of fragments away from the body like an explosion, While bringing more chaos, it also made it stretch out a huge comet tail.

The Lightbringer spacecraft is watching the comet coldly from tens of thousands of kilometers away. Compared with the comet nucleus, the environment here is quite calm, and even if there are occasional debris hitting it, it won't have much impact on the spacecraft. Because both are moving at high speeds, their relative speeds are not that fast. This level of impact is within the tolerable range of the Lightbringer spacecraft.

Compared with this huge comet, the Lightbringer spacecraft is as insignificant as an ant. But that changed later on. The sun reflector installed with the micro-engine was released from the cabin of the spacecraft, and then slowly unfolded under the impetus of the engine. Thus, when folded together, the little guy whose volume is only a few cubic meters at most has a surface area of ​​one square kilometer when unfolded. They perfectly reflect the sunlight in other directions, and without the sunlight, some parts of the surface of the comet nucleus stop the gas eruption immediately.

Not only that, some solar reflectors have also been deliberately moved to the appropriate position, reflecting the sunlight that was not originally irradiated to the nucleus of the comet. As a result, these fragments are completely deprived of sunlight on one side, and receive three times, even ten times, twenty times the sunlight and heat on the other side. As a result, the gas eruption here has also increased to more than ten times the original intensity, and contributed a stronger driving force to the comet nucleus.

All these processes are performed under precise calculations. The mass, orbit, and ejection rate of these comet nuclei are all under strict monitoring. All these changes will be collected and calculated by scientists, and the reflection angle of the solar reflector will be adjusted at any time according to changes in the situation. Where the sunlight radiation needs to be strengthened and where the sunlight radiation needs to be weakened, everything is calculated.

This is the first stage of work. In this stage of work, human civilization will try to separate these fifteen large fragments from each other, and have roughly the same orbit, but with slight adjustments in subtle points, so as to prepare for the next stage of work.

After working on the Lightbringer I spacecraft for seven days, the Lightbringer II spacecraft also came to Comet Arthur. Compared with the Lightbringer I spacecraft, the Lightbringer II spacecraft is larger and carries more supplies. After the first phase of work was complete and fifteen large fragments had been separated, the comet lander aboard the Lightbringer II spacecraft was released. They carried a large amount of fuel and were installed in different parts of the fifteen fragments, and then began to work under the instructions of the ground operators.

So in addition to the solar reflector, these fragments also have a second power to change their orbit. Those large-equivalent engines ejected long flame tails under the combustion of their own fuel, and because of the huge pressure, their heads were deeply embedded in the body of the fragments...

Although their thrust is huge, this level of thrust is still insignificant compared to the huge fragments with a mass of hundreds of millions of tons. Scientists have calculated that the combined thrust of all the engines, compared to the nucleus of a comet, is roughly equivalent to the thrust of an ant on an adult human body. But that's enough. First of all, this is a space environment, which is different from the ground environment. There is no such thing as air resistance; secondly, the role of these engines is only for orbital fine-tuning and precise calibration, and the main task is performed by the sun reflector .

The sunlight, the gas injection inside the comet nucleus, and the precise fine-tuning of the engine together constitute the power to change the trajectory of the comet nucleus. This task will last for two months. After two months, Comet Arthur will come to a place only 15 million kilometers away from the sun. At that time, all human creations will be completely destroyed by the powerful power of the sun. destroy. Comet Arthur will make its own journey to hit the sun.

Of course, before this moment, the fifteen fragments of Comet Arthur will have their own independent forward trajectories, and they will hit different parts of the sun as humans expected, and then smash the reverse fusion layer, returning the sun to its original state. face.

The comet impact program has progressed smoothly so far. This is not just a slogan, it is true, and the accurate information obtained from the scientific research department can prove one point. But the smoother the comet impact plan progressed, the heavier Zhao Huasheng and the plasma lifeform would be. As for whether the reason for the heavy heart of the two is the same, it is not known.

The two Lightbringer spacecraft are still working alongside Comet Arthur. Tens of thousands of scientists are still doing a lot of calculations and manipulations on the ground control base. At this time, another feast came to the earth.

It was a meteor shower, a meteor shower that was too large and magnificent to describe in words.

These meteor showers come from Comet Arthur. The closest distance between Comet Arthur and the Earth is only 9 million kilometers. Although there is no possibility of the two colliding, because of the existence of the sun, the tail of Comet Arthur will stretch over a length of more than 100 million kilometers. Earth's orbit happens to pass through Comet Arthur's tail.

Comet tails are made up of large amounts of interstellar dust and cometary debris. When the Earth passes through the comet's tail, these fragments will swarm into the Earth due to the influence of the Earth's gravity, and then die in the friction with the Earth's atmosphere.

This evening is a good time to watch the meteor shower, the sky is clear, there is no moon, and there is not much light interference. Zhao Huasheng left home at this time, and once again came to the small park near his home.

There are quite a lot of people who are excited to watch the meteor shower in the park. Zhao Huasheng didn't want to have too much contact with the crowd, so he came to a corner, sat on the ground against a bare tree with no branches, raised his head and looked at the sky quietly.

The night is very quiet, no noise, no interruptions. Zhao Huasheng was only accompanied by the faint night wind, the magnificent starry sky, and the occasional chirping insects around him.

Zhao Huasheng's mind is very ethereal and distant. Under the silent night, Zhao Huasheng thought of many things, Li Wei, Li Qi, Wang Tang, the head of state, Frank, and many, many people.

At this moment, a soft female voice broke the silence: "Oh, what a coincidence, are you here too?"

Zhao Huasheng turned his head and saw Wang You walking beside him. She smiled softly, and then asked, "Are you also here to see the meteor shower?"

Zhao Huasheng nodded, and Wang You said, "Then let's go together, there are too many people and it's too noisy, I don't like it."

Before Zhao Huasheng could refuse, Wang You came to Zhao Huasheng's side. Like Zhao Huasheng, he sat on the ground with his back against the little tree.