In the dark silence of the universe, countless asteroids are moving fast under the action of gravity.

Suddenly, an asteroid changes its trajectory and crashes into another asteroid in a strange way, causing the other asteroid to deviate from its orbit.

After deviating from its orbit, the asteroid slammed straight into a planet that was two-thirds the size of the Earth.

In the silent universe, this one, which has condensed the interest of the inner core, was directly smashed apart by a huge asteroid, and the power of the planet's explosion directly increased the degree of the planet's wreckage to a very terrifying level.

The debris of these planets flew into the Oort Cloud, and collided with meteorites, comets, asteroids and other celestial bodies in it, and after repeated impacts, countless comets and asteroids broke away from the scope of the Oort Cloud and rushed directly into the interior of the solar system.

This series of complex changes eventually caused interstellar matter three times the mass of the Earth to rush into the interior of the solar system. No one could have imagined that this terrible change, which could be called a catastrophe, was caused only by a change in the trajectory of an asteroid and a simple impact.

"Boss, the Oort cloud has flown out countless meteorites and asteroids, with a total mass of more than three times that of the Earth, and these meteorites and asteroids are currently flying towards the solar system."

Xiang Qian looked at the images of countless meteorites and asteroids flying into the inner solar system on the screen, and there was no expression of surprise on his face, this matter had long been expected by him.

"Starry sky, how much is left to calculate the distance between Proxima Centauri and the solar system?" Xiang Qian looked at the screen for a while. Suddenly asked.

"Boss," The stars were quick to give the answer.

"Starry sky, ask Mr. Li. The final design of the planet's gravity engine has come out. ”

"Boss, Academician Li said that the final plan has been made, and he is preparing to carry out a gravity-free simulation in space, and it is expected that the real time will be one year."

A year's actual time, including the revision of the design drawings, the adjustment of the earth's orbit, and the preparatory work, is not possible without three or four years.

And now these asteroids rush into the solar system, which will cause chaos within the solar system. At that time, countless meteorites and asteroids will rush towards Earth every day.

It's nothing, but more than ten years later. One of these asteroids will have a massive asteroid hit Saturn directly, and that's when the disaster happens.

After the entire Saturn was impacted, the total energy exploded exceeded 100 billion tons of TNT equivalent. At that time, Saturn's mass ejections and ray bursts will definitely make a mess of the interior of the solar system.

At that time, the earth didn't have to do anything else every day, just intercept asteroids and meteorites every day.

And then thirty years later. If the Earth had not left the solar system, a massive satellite would crash directly into the Sun, breaking through the Sun's troposphere and causing a large amount of material to eject from the Sun's interior.

At that time, the interior of the solar system was basically unable to survive, and it can be said that 3o years was the last time for the earth to leave the solar system. If the earth has not left the solar system within 3o years, then abandon the earth and fly away from the solar system for a long time, because the interior of the solar system at that time is hell.

Xiang Qian knew all these things. But they don't have the power to change. That's right, the current human race has indeed entered the category of third-level civilization. But we can only intercept these asteroids that have exploded, but there is no way to stop these disasters from exploding.

Because all of these calamities are governed by a rule of something. Even if Xiang Qian builds a large space fortress outside Saturn today to prevent Saturn from being hit by an asteroid.

But Saturn is fine, and Jupiter may become the target of impact, even if Xiang Qian protects all planets such as Saturn, Jupiter, and Venus. Then the final catastrophe may evolve into an instability of the inner core of the sun, which will explode directly.

In other words, Xiang Qian clearly knew that it would be born. But it is powerless to change, and can only rely on the memory of foresight. Be prepared in advance to avoid danger before it happens, rather than stop it.

Therefore, after thinking about it for a while, Xiang Qian decided to speed up the research of the gravitational engine, after all, the earlier he left the solar system, the sooner he was out of danger.

"Starry Sky, inform Yingying to ask the teacher for leave after school at noon, and don't go to school in the afternoon. At the same time, Yang Guang sent someone to pick up Yingying and send her directly to the Academy of Sciences. Xiang Qian said to the starry sky.

"Okay, boss."

After Xiang Qian finished speaking, he continued to deal with the documents in his hand, most of which required his signature to take effect. Although this was a little annoying for Xiang Qian, there was no way to let others replace him, and he couldn't let others replace him.

After approving all the issues concerning the formation of the Federation fleet and the training of soldiers, Xiang Qian left his office and went to the Academy of Sciences.

"The power of the gravitational mode device is increased by 35 percent, and the gravitational field of the center is constant...... Stopped, the moon's orbit is now changing, and the simulation fails. ”

"I feel like I have to block out the gravitational pull between the moon and the earth, otherwise the gravitational balance between them will not be able to be mastered."

"I don't agree, shielding the gravitational pull between the moon and the earth would cause unknown changes on the earth, and such changes could have very serious consequences."

As soon as Xiang Qian entered the gravitational engine room, he saw a group of people discussing in front of the big screen.

"Teacher, Professor David, something is wrong." Xiang Qian looked at the group of people there to encourage the discussion, and asked curiously, didn't the starry sky just now say that the final plan had been decided, could there be any problems.

When everyone saw Xiang Gan, they immediately greeted him, and Xiang Gan also nodded.

"Originally, the plan was decided, but we all ignored one problem, and that is the gravitational force between the moon and the earth. In the current simulation scenario, once the gravitational generator is activated, the gravitational field balance between the gravitational generator and the Earth needs to be balanced.

If the gravitational field can be balanced, then the direct gravitational conduction of the Moon and the Earth will be problematic. Lost the gravitational pull of the Earth. The Moon would then be out of Earth's orbit.

But if the gravitational field between the Earth and the Moon is not balanced, then the Earth will be violently reacted by the gravitational field conflict, and the internal structure of the Earth will change. The global fire explosion and the drift of the big 6 plates will be staged again. Old man Li saw Xiang Gan and pointed to the screen at him.

Xiang Qian looked at several large gravitational field areas on the screen, and his brows furrowed.

"What if we shield the gravitational conduction between the Moon and the Earth, but pretend to have a large planetary motive on the Moon so that the Moon does not leave the Earth's orbit, and when we leave the solar system, can we restore the gravitational attraction between them?" Xiang Qian thought for a moment and said.

"No, I can't. The Moon's gravitational pull on the Earth affects the Earth all the time, in the simplest terms. The tidal changes of the earth are affected by the gravitational pull of the moon. There are many other effects that are not known, such as what would happen if the Earth suddenly lost its gravitational pull on the moon. We don't know either. After listening to Xiang Qian's words, a person immediately said.

As soon as Xiang Qian heard this, what they said made sense, and he was not sure that the loss of the moon's gravitational pull would have any impact on the earth's environment, in case there were any unpredictable changes, it would be over.

"Okay, let's have lunch first, and we'll talk about it in the afternoon." Xiang Qian thought for a moment. I didn't think of any good way, so I could only say it to everyone.

"Why do you run here every day, are you idle? After everyone disperses. Old man Li said to Xiang Qian.

"Where am I free, I'm in a hurry. One day after I build the planet's gravity engine, the earth is not really safe. Xiang Qian said speechlessly.

"Is there any danger?" Old man Li said with a frown.

"It's not that there are still any dangers, it's that there are still a lot of dangers. But for now, getting the Earth out of the solar system is the main thing, as long as it's done. Everything else is easy to say. ”

"How long do we have left?" Old man Li asked sternly.

"15 years...... If you don't leave the solar system for 15 years, the Earth will be in danger. It has not left the solar system for 3o years. We can only abandon the earth. If you haven't left the solar system within 5o years, you'll have to wait for death. Xiang Qian looked around, but there was no one now, so he whispered to Old Man Li.

"Why do you have to insist on leaving the solar system with the earth, in fact, with our current technology, we can find another planet suitable for human habitation, why ......"

"Teacher, I know what you said. But I have a reason for doing it. Xiang Qianyan said.

"Okay, I see." Old man Li looked at Xiang Gan's expression and knew Xiang Gan's determination.

"Teacher, don't worry, it's okay. I'm here today to solve your problems, and now we're going to eat and work in the afternoon. Xiang Qian said with confidence.

After eating at noon, Zhang Ying was also escorted by biological weapons to the Academy of Sciences.

"Yingying, do you remember yesterday's prophecy picture? What was the moon like at that time, and was there anything around. After Zhang Ying arrived, Xiang Qian asked directly.

“…… Brother Xiang Qian, I forgot that. Zhang Ying said unconsciously.

"It's okay, you can make a prediction now, see if there's anything on the moon or around it, what it's like." Xiang Qian said with a smile.

"Okay, Brother Xiang Qian." After Zhang Ying finished speaking, she moved her ability.

Five minutes later, Zhang Ying gasped and said, "Brother Xiang Qian, there is a big tower on the moon, and there are many 'big iron plates' around the moon. ”

After Xiang Qian listened, he glanced at Old Man Li and continued to ask, "Yingying, have you seen what the Earth Ten is like?" ”

"Earth...... See, nothing has changed. Zhang Ying thought for a moment and said strangely.

"Teacher, according to this, you can study it, I feel that the gravitational pull of the moon should be shielded, but it does not use the planetary motive, and it still revolves around the earth." Xiang Qian said slowly.

"It's not that simple, I'm going to go back and think about it." Old man Li said with a frown.

"Well, I can't help in this regard, if you have any problems and don't know what the consequences will be, just ask Yingying directly, and I'll go back first."

Yingying, you eat snacks here, watch a movie, and I'll send someone to take you home in the evening. You have to listen to Grandpa Li here, you know. After Xiang Qian finished explaining to Zhang Ying, he turned around and left.

For the next few days, Zhang Ying went to school in the morning and came to the Academy of Sciences in the afternoon to help with scientific research. With Zhang Ying's joining, many uncertain questions, under Zhang Ying's accurate prediction, everyone also directly understood Guò.

Just like the impact of the gravitational field on the earth, after determining a plan, Zhang Ying will predict the situation of the earth, and after determining that there will be no serious consequences, everyone will determine this plan.

As a result, research is being carried out many times faster than before, and new problems are being overcome every day.

Although these problems are only known to the people, they do not know why they are the result. However, under Xiang Qian's instructions, everyone did not waste time studying these problems, but only stored these problems and moved on to the next one.

During this time, Xiang Qian paid attention to the group of asteroids that flew out of the Oort cloud every day. He did not stop it, but paid attention to it, and any meteorites and asteroids that threatened the Earth were marked. (To be continued)

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