Although he had expected such outstanding computing power, Ruan Lin was still a little surprised.

When it comes to astronautics, the most needed thing is the power of reverse computing. Especially the next departure, which will use a gravitational slingshot.

Ruan Lin must find the most suitable angle of incidence for Mars so that he can unleash the maximum effect of the gravitational slingshot and allow the Titan to achieve extreme acceleration. This will significantly reduce the time spent.

Although he no longer needed a body, Ruan Lin was still used to subconsciously wanting to open his mouth to speak. The conscious self couldn't help but laugh out loud, and it seemed that it would take some time to get used to it.

Ruan Lin could communicate directly with WIT through a thought at this time: "WIT, Mars is just the beginning of the endless voyage we are about to embark on. Next, it's time for us to leave. ”

Ruan Lin found that his consciousness could travel through the things that were relevant to him: the robots on Mars, the main control equipment of the entire Titan, and every instrument in it.

Ruan Lin saw his body through the surveillance of the medical room. It's fun to see yourself through the lens of your own consciousness. It's like an out-of-body soul depicted in a novel.

Ruan Lin returned to where he should be: "Wit, old man, you won't be so tired in the future!" In the future, you will be able to control the Titan as a whole and send work instructions to the robot. Not only that, but you also have to be my assistant to further assist and improve my calculations. In the future, I will be the main force of data processing. ”

Ruan Lin continued: "Thank you for your hard work during this time. ”

After the transfer of WIT to a quantum computer, it seems that it has the ability to learn on its own: "No thanks! Dr. Nguyen, it's all within one's purview. It is my pleasure to help you. ”

"With you by my side, I'm not so alone. Without further ado, let's put the finishing touches on it, it's time for Europa! ”

Nguyen Lin carried about 42 excavation robots, 23 survey robots and 17 refining robots on the voyage. There are also two robotic assembly lines on board, ready for subsequent production.

Ruan Lin began to think again at this time: the quantum computer has been built, and there is no need to worry about computing power. The next step is to arrive at Europa, find out the truth, and carry out the refinement and manufacture of controlled nuclear fusion. ”

"WIT, turn on Titan's main engine, first get out of orbit around Mars, and then travel to the optimal angle of incidence that I calculated."

"Okay, I know the data you sent."

The conversation between Ruan Lin and WIT took less than a picosecond.

The Titan is to take off in a levitation mode. WIT activates the thrusters on both sides of the Titan, each attached to the rear of the centrifugal force-making equipment, like an airplane engine on Earth.

The thrusters instantly erupted with a wave of heat visible to the naked eye, at which point they changed direction and pointed to the surface together, and in the center of the thrusters seemed to be circles of Mach rings, forming an oval, dark blue halo.

When the Titan was about to take off, Ruan Lin saw the small supercomputer through the external monitoring equipment.

He said silently in his heart: "I hope you can find the ultimate answer to the universe, and so do I." ”

In the next second, the Titan was already on a height climb. The small supercomputer became smaller and smaller in Ruan Lin's field of vision, until it disappeared.

When flying to the Martian suborbit, space and the curvature of Mars can already be seen.

Now Titan needs to reach the stationary orbit of Mars and record the relevant data of the indicator at close range.

This will take 18 minutes to reach the track where the indicator is located.

When Titan had just reached the low Martian orbit, Ruan Lin found through the astronomical telescope that it had not emitted ultraviolet beams, its six wings were still open, but it did not continue to do compass motion, and the lights that symbolized the operating state no longer flickered, it was like petrified, quietly moving with the stationary orbit of Mars.

The ultraviolet beams emitted a few months ago seem to be its last stored energy, as if it had spanned millions of years. But at that point, WIT saved the full data, and the ultraviolet beams pointed at Europa's surface down to the meter.

Now that it has been so, the observation programme has no choice but to give up. The next step is to start the gravitational slingshot project in earnest. Ruan Lin's previous plan has now changed, and he also wants to use the fastest planet, Mercury, to achieve three consecutive gravitational slingshots.

Now Mars, Mercury, and Jupiter are in orbit, like a 15-degree right triangle, so Ruan Lin decided to take a slight detour to achieve a faster speed.

Nguyen Lin thought of Voyager 1 and 2, which were launched in 1977, 114 years ago. In this year, they can use the gravitational slingshot acceleration of four planets and fly out of the solar system! And the next such 'four-star alignment' will be in 62 years.

To fully utilize the gravitational slingshot for acceleration, the closer Titan is to Mars, the more boost it gets. But this kind of borrowing gravitational slingshot acceleration to the extreme can only exist in the model.

If Titan's orbit is about 500km away from the surface of Mars, it will be subject to strong orbital resistance, and if it continues to follow Mars in the same direction for half a circle, this will cause Titan to slow down and accelerate from time to time to stay in this orbit, which will cause the loss of energy to be greater than the gravitational boost energy obtained, which is more than worth the loss.

Based on simulation calculations, Ruan Lin decided to carry out this plan in the middle Martian orbit, about 5,000 km above the ground. Too low will increase drag, and if it is any higher, Titan and Phobos may have a spark of 'love' – it is only 6,000 kilometers from the surface of Mars.

Ruan Lin sent the follow-up operation plan to wit: "wit, act according to my plan, if there is any error, please remind me in time." ”

"Okay, now the first Gravitational Slingshot project is officially started!"

According to the conservation of energy and kinetic energy theorem, the higher the orbit of the spacecraft, the smaller the kinetic energy, while the greater the potential energy.

First of all, Titan needs to get out of the gravitational capture of Mars, and Titan now needs to pull up the altitude and officially break away from Mars.

After breaking away from Mars, Titan needs to return to Mars from the rear and circle half a circle on its back, this time at an altitude of 5,000 km above the ground, at which point Titan is flying in the opposite direction to Mars.

Nearly two-thirds of the way through the orbit, Titan was flying in the same direction as Mars' orbit — from west to east.

In the final stage, Titan will look for a suitable 'launch pad', gain about twice the acceleration of Mars' revolution, and officially move on to its next target: Mercury.

Ruan Lin was overlooking the Martian ground below with the help of Titan's external monitoring equipment. Everything gradually shrank in the field of vision, until Ruan Lin was able to observe half of Mars.

From the shaking of the monitoring equipment, Ruan Lin felt that the spacecraft was gradually speeding up.

Next, Titan gradually moved closer to Mars and began to lower its orbital altitude. Ruan Lin seemed to be able to faintly see the familiar Martian base and robots again.

Titan began its orbital flight around Mars at a set altitude, and the spacecraft began to accelerate at full speed. But because it was flying with Mars on its back, the speed was still not at its peak. Ruan Lin's observation of the surface through the surveillance equipment seems to be playing a video at high speed, and the surface scenery does not exceed one frame before moving on to the next frame.

In the final stages, the Titan pinpointed the 'launch pad', which was an all-out sprint before reaching the finish line.

After breaking away from the large elliptical orbit of Mars, the Titan appeared to be a bullet fired from the chamber of a gun.

The Titan is now flying at 48.26 km/s.

Ruan Lin couldn't help but laugh out loud in his consciousness: borrowing the gravitational slingshot, it was successful!