Ruan Lin decided to revise the follow-up mission: "Wit, after capturing Lingshenxing, capture the fragments of the Earth and Moon left in the asteroid's main belt in the solar system, even if they become fragments, they will revolve around the sun forever, which is too sad." ”

Wit replied, "Okay, the Titan is almost at its closest contact distance, and the second half of the capture mission has officially begun. ”

Visible to the naked eye alone, the silhouette of the Psi appeared behind the Titan, and it was almost incompatible with the surrounding starry sky, and its greatest feature was its golden appearance.

When it was on Earth, it was the target that astronomers have been pursuing, it was made of various precious metals inside and out, and it was also nicknamed the local tyrant asteroid when it was on Earth. The quality of the precious metals in it is staggering, and it is conservatively estimated to exceed $10,000 trillion when converted into dollars. It is also the object of covetion for almost everyone.

And what Ruan Lin had to do after capturing it was to disassemble it and turn it into countless metal raw materials for use. It weighs 270 million tons, of which 95% is metal, and the weight of iron ore used by all mankind every year is only 2 billion tons.

With the Titan vibrating violently, it also marked the perfect end of the project. WIT immediately closed the door to the hopper capsule, and the Titan began to accelerate at full speed towards Europa.

Ruan Lin also finished calculating the data he had in question in a few seconds, and returned to his body again. Nearby is still the familiar base of the "Sun".

He stretched his waist and said to himself, "The next thing is to continue to complete the laser weapon engineering drawings." ”

Nguyen Lin suddenly thought of a countermeasure with laser weapons: using mirrors as external armor.

There are no 100% reflective mirrors in the world, but there are mirrors with a 99% reflectivity rate. But if you want to use the mirror as a countermeasure, there are more restrictions.

Ultra-high reflectivity mirrors only have a high reflectivity to specific light waves, and the energy density is too large, which is easy to cause the mirror to crack, once there is a dusty rupture, the efficiency of the mirror will be sharply reduced, almost equal to scrapping.

In other words, if there is a hostile civilization with external mirror armor like itself, there will be an extremely comical scene on the battlefield:

Nguyen Lin's fleet fired several lasers at the opposing fleet, recording the specular reflectance and wavelength of the enemy fleet. And the enemy fleet also fizzed several times symbolically, recording data. After each side has measured each other's laser wavelengths, they immediately replace the mirrors of all ships with the laser wavelengths of the enemy fleet.

It's like a game of guessing, caught in an infinite cycle of temptation.

Ruan Lin found himself jumping into a misunderstanding, absolutely defensive.

The main killing principle of the laser is ablation, as long as it burns through the opponent's ship first. Offense is the best defense!

With this reasoning, Ruan Lin continued to improve the laser weapon.

After 30 hours, Ruan Lin was completely relieved. Mankind has a real space laser weapon! It resembles an eyeball in appearance and has a reddish color on the inside. It's like a red circle on a surveillance camera.

The laser weapon adapted to the meteor-class ships has a range of only 400 kilometers due to its size, while the comet-class ships to be built later have a range of 1,200 kilometers.

"The next thing is to wait for WIT to come back and put it into production, and the Spirit Star is really my savior."

With a tremor of the ground, the sound of something falling heavily on the surface was heard, which was the return of the Titan with countless treasures.

Ruan Lin contacted WIT: "WIT, let the robots crush and mine it!" ”

I saw that the Spirit Star was already deep in the ice at this time due to its weight.

From the perspective of the Titan, the surface of the ground was instantly crowded with digging robots, which were constantly rushing in the direction of the Spirit Star, like a nest of ants smelling food and swarming there.

The next step is for the digging robot to dig and shatter it at full speed, and most of this material will be needed for subsequent ship and weapon manufacturing, but mining will continue for a long time.

Nguyen Lin said: "WIT, carry out post-landing refueling, and then continue with the Earth-Moon debris capture program. ”

Only one side of the Earth's moon facing the neutron star has been subjected to a temperature of 15 million degrees Celsius, and nothing will be left on this side. Debris on the other side of the planet could be filled with solidified material from volcanic eruptions. Debris on the other side of the moon may leave behind some large amounts of helium-3 and countless iron ores.

Only a tiny fraction of the fragments turned into asteroids orbiting the Sun. More debris was removed by the neutron star or became a comet.

WIT manipulated the Titan to hover and land, and the subsequent refueling work only needed robots to carry out.

Ruan Lin's consciousness returned to the computer, and he couldn't help but feel sad in his heart: this time the Earth-Moon debris capture plan may fail, there are 500,000 small celestial bodies in the main belt of the asteroid, and it is undoubtedly a needle in a haystack to find a few Earth-Moon fragments in it.

"WIT, for this voyage we need to fly to the range of the asteroid's main belt closest to Jupiter. If we really don't find the Earth-Moon fragments, we will continue to capture other asteroids as planned. Ruan Lin sighed in his consciousness.

Once again, feeling the spacecraft accelerate through Europa's atmosphere, Ruan Lin no longer had the excitement he had before.

The voyage lasted 50 hours, and Titan is currently in the main belt of the asteroid directly in front of Jupiter. It continued to fly aimlessly, eager to find the shadow of the Earth-Moon fragments.

The search took nearly two more hours. Ruan Lin listlessly observed the asteroids in the main belt through the Hubble telescope, during which time Titan also encountered Vesta, whose surface was like the moon, but it was emitting light at all times, and it was the brightest asteroid in the main belt of the asteroid with the naked eye.

At this time, WIT's prompt made Ruan Lin instantly cheer up: "80 kilometers ahead, there is an asteroid, it is likely to be a fragment of the earth. ”

This approach took less than 2 seconds, and Ruan Lin could observe it in its entirety at the closest distance:

It has a radius of about 5 meters, and its surface is unlike any other normal asteroid - its surface is made up of gray and black blocks stacked on top of each other. Its surface is magmatic rock formed after the magma cools.

Ruan Lin urged: "wit! Ready to capture, this piece is enough. Now we can catch other asteroids! ”

WIT steered the Titan to speed up, stopping in its intended orbit, and the next thing to do was to wait for it to be sent into its mouth.

The asteroid was not captured for its meagre resources, but in search of possible surviving life on Earth.