The lv223 planet is in outer space, in a synchronous orbit 30 kilometers from the planet's surface.

An asteroid with a volume of more than ten kilometers is orbiting here, and the Predator battleship next to it is ready.

"Scan for asteroids."

"Calculating the cutting plan."

Allen looked at the asteroid quietly. If such a large asteroid hits the earth, it will cause a huge disaster that will destroy the world. However, the earth has actually experienced this kind of disaster once. 65 million years ago, an asteroid An asteroid with a diameter of about ten kilometers hit the earth.

The asteroid hit the Gulf of Mexico, triggering a huge tsunami and a global fire. The height of the tsunami reached 1,500 meters, the land was flooded, the forest was burned, and the smoke and dust covered the sky and lingered all year round. As a result, dinosaurs became extinct. . This disaster caused the Earth to enter an ice age, and this asteroid can do the same.

"The cutting plan has been established." A mechanical voice sounded, and Allen looked up at the virtual imaging display in front of him.

I saw that the three-dimensional image of the asteroid in front of me had been divided into thousands of asteroids directly about one kilometer in length, and the entire cutting plan required the cooperation of hundreds of scout ships.

"Prepare to implement the cutting plan." Following Allen's order, the Predator released a large number of reconnaissance ships, and each reconnaissance ship soon came to the predetermined orbit and followed the movement of the asteroid.

"Calculating scheduled orbit."

"The split plan has been confirmed."

"Spaceship No. 1 has arrived at the designated location."

"Spaceship No. 2 has arrived at the designated location."

 …

"Spaceship 105 has arrived at the designated location."

"The spaceship is operating normally."

"Gravity is normal."

"start!"

Following an order, the reconnaissance ship that had been prepared released a bright plasma ray, which directly hit the orbiting asteroid. As the asteroid rotated, the plasma ray cut rapidly.

The scout ships continuously shoot out plasma rays,

Soon this asteroid with a size of more than ten kilometers was broken down into asteroids with a size of one kilometer.

After the disintegration, the asteroids began to fly towards the lv223 planet under the action of the planet's gravity. Along the way, reconnaissance ships continued to adjust their direction, allowing these asteroids to strike along the predetermined orbit.

After flying for a few days, these asteroids began to enter the atmosphere. Under the violent friction, the size of the asteroids rapidly shrunk and continued to disintegrate. A large number of ice cubes began to melt, and water vapor diffused in the atmosphere. Because most of these asteroids are ice, their mass and structure are far inferior to those of metal asteroids, so many of them shrink rapidly after entering the atmosphere.

By the time it hit the ground, it had been broken into hundreds of pieces, and the small ones would have burned up before falling to the ground, and the rest did not cause too much disaster.

As more and more asteroids entered, the water vapor in the atmosphere reached its limit, and global rainfall began, which lasted for more than a month. After the rain ended, lakes began to appear on the surface of the planet, and these lakes were dotted all over the surface of the planet.

After seeing that the plan went well, Allen continued to carry the asteroids. The asteroids were installed with plasma thrusters to reach the predetermined orbit here. After scanning and calculation on the predetermined orbit, the reconnaissance ship cut it.

The disintegrated asteroids began to hit the planet along the predetermined orbit. This set of procedures became more and more proficient, and the lv223 planet was also undergoing tremendous changes visible to the naked eye.

The low-lying ground began to gradually converge into lakes. After the lakes converged to a certain extent, they began to overflow. The turbulent water washed the ground and formed rivers. The rivers washed away the sediment, broke through the rocks, and then converged into large rivers big river. Then continue to gallop forward, and finally converge on the low-lying part of the planet.

The ocean began to form gradually, the continuous impacts caused the planet to shake, volcanoes erupted one after another, and the entire planet entered an active period.

After the last asteroid hit the lv223 planet, Allen stopped his actions and began to wait. The planet returned to normal. The continuous impacts kept the planet in a state of catastrophic eruption. The dust caused by the impact covered the sky, and the planet The temperature in the world began to drop, the precipitation on a global scale began to form the early oceans, and everything was reformed according to plan.

The formation of oceans and the emergence of rivers and lakes have made the planet's water source abundant. As time goes by, a complete set of water source cycle is also slowly forming.

It took a year, the global precipitation began to decrease slowly, the violent volcanic eruptions gradually subsided, and entered a dormant period, rivers appeared on the surface of the planet, glaciers were also formed during this period, and the north and south poles also A large number of ice sheets appeared.

The temperature of the entire planet is already close to zero. If there is no intervention, this planet will soon enter an ice age, and it may take thousands of years for it to freeze naturally to pass through the ice age. Of course, Allen can't wait so long Time, so the second planetary transformation plan was launched.

After seeing that the planet returned to calm, Allen began to carry out the next transformation. At this time, there was still a large amount of dust suspended in the sky. These dust blocked the sunlight, causing the temperature on the surface of the planet to continue to drop. When the dust in the sky dissipated and the sun could shine directly, the surface of the planet was already covered by ice. Carbon dioxide is also frozen during the freezing process.

The ice layer will reflect most of the sunlight from the star into space, and the concentration of carbon dioxide in the atmosphere will decrease, which cannot prevent the heat from dissipating, so the planet will become colder and colder. This situation is naturally not allowed by Allen, and the atmospheric modification equipment that has been prepared soon began to be built on the surface of the planet.

The atmospheric modification equipment with a height of 10,000 meters modified the atmosphere according to Allen's requirements. A large amount of dust was absorbed, sunlight reappeared, and the temperature of the planet's surface began to increase.

After the temperature reached a certain level, Allen began to release planting robots to plant plants on the surface of the planet. At the same time, the construction of the first city on the planet began.

The new generation of aliens cultivated by Allen also began to be released. Under the command of the alien queen, these aliens began to participate in the process of city construction.

Although both the Predator and the "Engineer" civilization can build enough robots for construction, the transformation of the planetary environment has consumed a lot of energy during this period. Although there are various ways to replenish it, the Predator and the "Engineer" spaceship The energy has reached the warning value, and it will take time to accumulate energy.

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