Lu Yuanzhou waved his hand, and the holographic image of the moon that originally occupied half of the living room became the size of a fist.
"When our ancestors embarked on a journey to explore the sea more than ten centuries ago, their ships had no power."
When the voice fell, the projected moon had quietly changed. In the direction of the far side of the moon, countless golden films rose high. These films were hexagonal, square and triangular. Six of them
The side shape is the largest, occupying the middle position, the square ones are interspersed, and the triangular golden film surrounds it.
Calculated based on the proportions of the projected moon, the area of these golden films, even the smallest triangular film, is probably the size of a large city in prehistoric times. Looking carefully, these films are connected to the moon with extremely thin cables. The nearest one
The thin film is tens of thousands of kilometers away from the moon, and the farthest one is estimated to be more than 200,000 kilometers away.
The large hexagonal membranes are clustered in layers at high altitude at the center of the anti-lunar surface, like several long dragon kites emerging from the moon. The square middle membranes are floating around the large membranes in an orderly manner, as if coming from deep space.
The wind chimes are vertical to the moon. Small triangular membranes are scattered around, like the jibs at the bow and stern of an ancient sailboat.
The entire projection looks like a huge golden potted plant growing on a pocket silver ball, but this "potted plant" has no branches, only countless towering golden leaves. The projected image of these "leaves" occupies less than half of the
The scope of the living room.
Zhou Cheng looked at the projection with dumbfounded eyes:
"Are these radiant light sails?"
"Well, it is woven with the latest nano-scale composite fibers. The thickness of the light sail is less than 1 micron, and the diameter of the sail lock is only a few microns. The total area of the hexagonal main sail, square jib sail and jib is more than
2.5 billion square kilometers, equivalent to the total surface area of five earths.
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Each sail rope is connected to the mechanical master control center under the lunar surface, and the retraction and force angle of the entire light sail system is jointly adjusted through mechanical adjustment, nanoscale etching circuits and electromagnetic force."
While Lu Yuanzhou was speaking, the moon in the projection, which had stretched out all its light sails, shrank again. The sun, earth, moon, and Mars all appeared in the image.
"The plan of the moon-catching project is that after everything is ready, when the moon moves to the ascending node of its orbit, the light sails will begin to be deployed in batches. When it reaches the full moon point, the light sails will be fully deployed, and then they will be deployed as planned.
Batch convergence. Under the influence of the solar wind, the moon's orbital speed will increase and its rotation will slow down.
According to calculations, 2 cycles of this back and forth can cause the moon to be released from the tidal lock with the earth. After 6 cycles, the moon will gain enough escape velocity to escape the gravity of the earth and enter the orbit around the star. At that time, the moon will no longer be
It’s not a satellite of the Earth, but the ninth planet in the solar system.”
The projected simulation animation accelerated the demonstration of what Lu Yuanzhou was describing. When the pea-sized moon orbited the plum-sized earth, it quickly propped up a complicated and long light sail and then folded it. It was like a child eating bubble gum.
Blow up an oval-shaped bubble, suck it back into your mouth, and blow it up again.
In this process, the moon's orbit around the earth is also constantly being stretched. The perigee does not change much, but the apogee is getting farther and farther during the raising of the light sail, which lasts longer and longer. In the end, the moon finally gets rid of
In orbit around the Earth, the increasingly slow rotation also stopped, and the light sail no longer closed.
"We calculated the orbit of the planet. After the moon escapes the gravity of the earth, we will continue to accelerate towards Mars. We will use the gravitational slingshot effect of Mars to accelerate the moon back to the inner solar system."
The Moon on the projection approached Mars at a steep angle, made a simple two-body motion around the center of mass between the Mars and the Moon, and then accelerated towards the Sun.
"Since we have escaped the gravity of the earth, why do we need to return to the inner solar system?" Zhou Cheng asked.
"The farther away from the sun, the weaker the stellar wind. We have calculated that if we directly prop up all the light sails to leave the solar system at this time, it will take us 5 years to reach the third cosmic speed. Due to the attenuation of the stellar wind with distance, the speed
The upper limit will reach a bottleneck near 100 kilometers per second.
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In this case, it will take at least 5,000 years to leave the solar system, which is too long. The key to the implementation of the moon-reaching plan is to stay far enough away from the earth when we have a deterrent device.
Although the Humanoids and Rainmen may not be willing, they are forced to do so because of deterrence, and I believe they will not perish with us. What's more, the earth belongs to them, and they are willing to see the deterrent device stay away from the solar system.
But if the time drags on too long, they have mastered the method of destroying the deterrent device, or the earth has left the deterrent range and we haven't run fast enough. I can't guarantee that they won't launch an eradication operation against us. After all, between us
It has always been a hostile relationship."
The projected Moon has crossed the orbit of Mercury and is approaching the Sun, which is pulling prominences on the corona and spewing stellar storms.
"The moon's meridian and 180-degree longitude will also be equipped with hundreds of planetary engines, but those things consume too much energy and have too little thrust, so they are unrealistic as a power source, but they are still fine for use as a ship's rudder.
We will let the moon pass by at a distance of 25 million kilometers from the sun. After the powerful gravitational slingshot effect of the sun, we will enter the orbit to Alpha Centauri, which is Nanmen II.
After being accelerated by the gravitational slingshot, all the light sails will be fully deployed. The strong stellar wind will accelerate us to 1/10 of the speed of light in 3 years. In 42 years, we will arrive at Nanmen II."
At this time, the moon is gradually getting bigger in the projection, but other stars in the solar system are indeed getting smaller. Only the solitary moon is left, dragged by the long shuttle-shaped light sail, drifting in the vast sea of stars, like a string of Alaskan sled dogs
Dragging a sled across the endless snowfield.
The light sail was retracted again, and the solar system had completely disappeared. After passing through the misty Oort Nebula, a thin ring of star-shaped material gathered in the low orbit of the moon. The three-star system of Centauri was faintly visible ahead, with the largest
The bright morning light from Nanmen Er has already coated the moon with a layer of dark gray.
"But there are no habitable planets in the three-star system of Centauri. Do we want to park the moon into the orbit of the star of Nanmenmen?" Zhou Cheng asked.
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The projection was magnified again, and the vast stars filled the entire living room, and everyone was immersed in the sea of stars.
"No, we can't stop. The enemy is still too close to us. Nanmen 2 is just our transit station. We will take advantage of the opportunity to approach Nanmen 2 and open the light sail again to gain acceleration. We will use 1/3 the speed of light
Heading towards the stars of the Wuxian-Corona Borealis Great Wall.
We will definitely be able to find a habitable planet there. By then we will no longer be alive, but humans will be here. The moon will re-enter the satellite orbit of our new home and continue to be the planet that silently guards us for billions of years.
Guards."
After listening to Lu Yuanzhou's description of the moon-reaching plan, Zhou Cheng felt that the blood in every blood vessel was boiling, his heart was rolling in his chest, the hair all over his body stood on end, and his scalp was covered with goose bumps.
"This plan is so great! The Space Force is so great!" He couldn't help but roar out the excitement that burst through his throat.
But at this moment, Lu Yuanzhou's expression darkened.
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