The Titan's high-speed voyage at this time will continue for a long time. According to the Aubert effect, the Titan is constantly attracted by the sun's gravity, and as long as it does not slow down, the engine accelerates at full strength, and the fuel utilization is maximized.

Titan's journey to Mercury is another angle, and it is also flying towards the Sun. Because of the Sun's gravity, Titan will also get some acceleration during its flight towards Mercury.

This gravitational pull ends when the Titan flies away from the Sun, and it slows the Titan to a certain extent. But that doesn't stop Mercury from using gravity for slingshot acceleration.

Mercury is the fastest planet in the solar system, traveling through space at a speed of 47 km/s, so Mercury is also the best gravitational slingshot.

But this borrowing is also a great risk: the closer you get to the Sun, the greater the Sun's gravitational pull. If Titan fails to fully slow down before reaching Mercury's orbit, Titan will pass Mercury directly if there is a slight calculation error. The sun's gravity pulls the Titan like a magnet, and the end result is a flight into the fiery abyss.

Nguyen Lin must personally manipulate the Titan to ensure that nothing goes wrong.

Mercury is now 1.3 AU away from Jupiter. It's about 200 million km. Even Titan's current speed plus subsequent gravitational acceleration of the Sun would require at least 45 days of sailing.

Such a boring voyage also made Ruan Lin carry out observations of the solar system.

Ruan Lin returned to the perspective of an astronomical telescope and looked at Venus, which is sometimes only visible to the naked eye on Earth.

Of all the planets in the solar system, Venus most resembles Earth in size, mass, and distance from the Sun. Its surface, if it could be summed up in one sentence, would be on the surface of Venus, if hell existed. Venus is also an exceptional planet in that its rotation is in the opposite direction to its revolution.

At the same time, Ruan Lin thought of a well-known saying: The sun came out of the west today!

If you want to refute this sentence, just say: On Venus, the sun really came out of the west.

If anyone survives Venus, then he will experience the longest night of his life, and after 59 days of dark nights, the sun will rise again in the west.

Not only Venus, but also Uranus, a 'lying planet' in the solar system. Because of this bizarre lying flat rotation, Uranus pours and rolls like a blender, which also causes it to have the longest season change and sunrise and sunset in the solar system.

After 42 years of sunrise, it will enter the endless cold night, and in the other 42 years of dark night, quietly wait for the next sunrise.

Ruan Lin had the idea of making a star map at this time, how many wonderful stars and strange physical phenomena were there outside the solar system? This needs to be recorded one by one.

Ruan Lin told WIT: "In the future, every star we observe will be recorded, and we need to draw a star map that has never been seen before or since, and we need to mark out their general data, not just through astronomical telescopes." ”

Ruan Lin did not say one more sentence: if possible, after we have traveled through all the river systems, this star map will become a unique treasure, and it will be our common memory.

"During this boring journey, let's perfect controlled nuclear fusion."

The journey to Mercury soon came to an end, and Titan is now less than 53 million kilometers from the Sun and 2 million kilometers from Mercury.

"Wit, I'll take over the Titan next, and you will continue to help me calculate the acceleration of the Sun's gravity to reduce the possibility of the Titan passing by Mercury."

"Okay, Dr. Nguyen. The operation is up to you. ”

Ruan Lin is about to start decelerating with all his might, and currently due to the influence of the sun's gravity, the speed of the Titan has exceeded 54km/s, and this speed is increasing all the time, and if it is not slowed down in advance, the consequences will be devastating. Without subsequent gravitational effects, at the current rate, Titan will reach Mercury in just 10 hours.

Ruan Lin regarded the entire Titan as his body, and the Titan now seemed to have a soul. Ruan Lin experienced the feeling of the Titan: the sun was like an octopus at this time, it stretched out its infinitely long tentacle suction cup, and wanted to send the Titan into its mouth.

The gravitational range of the Sun is terrifying, and the Sun's 'tentacles' can even extend to the 'Oort Cloud', which is about 60,000 AU away from the Sun.

The reason why the eight planets of the solar system all revolve around the sun is because of its strong gravitational pull. Even with such a strong gravitational pull, it could not drag any planet to its side. According to the law of gravitation, it is because every star is not stationary in space, as long as they revolve at high speed, they will not be dragged by the gravitational pull of the star.

Mercury is the biggest unlucky guy in this galaxy, it is so close to the Sun that it will be pulled by the strong gravitational pull of the Sun at any time, which is why it orbits so fast. The consequence of this speed is that the long axis of its orbit is more than 80 times larger than the diameter of the sun.

The Titan, at this time, is like a lonely boat on the rough sea.

Ruan Lin knew very well in his heart that Titan was not a probe to observe the sun! It can't orbit the Sun, the destination of this trip is Mercury, slow down to Mercury and quickly complete the gravitational slingshot process, and then speed away!

Ruan Lin calculated that at this time, the Titan was affected by the sun's gravity and was pulled by the sun with an increasing speed of 0.03km/s.

If Ruan Lin is lucky, he can even observe the Parker. It reuses the slingshot acceleration of the Sun and Venus, and currently orbits the Sun at a speed of more than 300 km/s! If it flies from Earth to the Moon at this speed, it will only take 21 minutes!

If you can't apply the brakes at this point, the Parker will be the final end of the Titan. When the distance is very close, the only way to escape from the sun is to run and flee after an acceleration with the help of Venus's gravitational slingshot, but the time and fuel wasted is unacceptable to Ruan Lin.

Ruan Lin began the global transfer, first retracted the solar sail, and at this time it was no longer accelerating for the Titan, but letting the Titan accelerate towards hell.

Immediately afterwards, Ruan Lin aimed the two propulsion ports of the Titan directly at the sun, and turned on the full acceleration of the engine. This reverse push will significantly reduce the speed at which the Titan dives into Hell.

The next step is to determine the distance and flight speed to avoid passing Mercury.

It's all about getting to Europa faster.

Ruan Lin said to himself in the sea of consciousness: "It's so difficult and dangerous along the way. Hopefully, this time, you won't let me down. ”