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Time moves forward minute by minute,

The interstellar mining vehicles are also filled with more and more gray metal.

This feeling made everyone present feel very unreal.

After all, a few days ago, they didn't even dare to go to the moon, but now they are mining gray metal here.

You must know that gray metal is a rare metal that was once considered by the world to be many times more expensive than gold. This kind of metal is not available in Blue Star.

But now, they have loaded a car full of them. This feeling is really unrealistic and can be said to be extremely dreamy.

At this time, Mr. Zheng on the side finally couldn't help talking.

"Academician Liu, it's been several hours since we came up here. Even now, I feel it's unreal, even like I'm dreaming."

"But the facts tell me that this is not a dream. We have really come to the moon and are really mining gray metal." Mr. Zheng said dreamily.

Academician Zhang on the side also echoed: "Yes, I also feel that it is very unreal. I can't believe that this is what is happening around me."

When everyone saw the mining data on the big screen, their decision became even more incredible.

Just as they were talking, the mining progress of the interstellar mining vehicle went from 50% to 80%.

This kind of mining speed cannot be achieved by any mining machine on Blue Star.

Moreover, this is an interstellar mining vehicle that can accommodate four hundred tons of gray metal. From this, we can see how fast the mining speed of the interstellar mining vehicle is.

Seeing the two people so surprised, Liu Cong raised his hand.

"Don't be surprised, because I am also very surprised now. I didn't expect why it happened so fast. This is completely beyond my imagination."

"Before this, I have never experienced the speed of an interstellar mining vehicle."

"At the current speed, the interstellar mining vehicle departs from Blue Star, and the round trip, including the mining time, will only take about three hours."

"If it operates non-stop all day long, then the interstellar mining vehicle can go back and forth about six times. We still have six hours including unloading and maintenance."

"But this is a lot."

"I did a simple calculation, which means that an interstellar mining vehicle can mine 2,400 tons of gray metal a day. Just one interstellar mining vehicle can supply us with all the gray metal we need."

Liu Cong talked to everyone.

When everyone heard these eye-catching figures, they all sighed in disbelief.

They had never had such a concept before.

According to Liu Cong, an interstellar mining vehicle can match the output rate of a large mining farm in mining ores in a day.

Such horrific figures are unacceptable to anyone.

"Academician Liu, after hearing what you say, we don't need to build other interstellar mining vehicles now, just use this one." Mr. Zheng joked.

Of course, just one car is impossible.

Otherwise Liu Cong would not mine gray metal. His purpose is to use these gray metals to build better engines and then build more interstellar mining vehicles.

Because Liu Cong's energy needs go far beyond that, because his goal is to use the energy in space to rapidly develop his own technology.

After all, they can't just limit themselves to developing technology in Blue Star. Liu Cong's goal is far beyond that, and everyone's goal is far beyond that, otherwise we wouldn't be so eager to develop technology.

Liu Cong's current goal is to use the resources of space to raise Blue Star's civilization level to level one, five, or even two in the shortest possible time.

This is the goal that Liu Cong needs to pursue in the long run.

Now, of course, he needs to mine gray metal and invest in the subsequent smelting and research and development steps of gray metal.

Only when the smelting and forging technology of gray metal is fully mastered by Liu Cong and others can gray metal be easily utilized, so that more interstellar mining vehicles and other new technologies can be created.

With the emergence of gray metal, Liu Cong can also use these metals in military industry and other industries.

Because gray metal has characteristics that other metals on Blue Star do not have.

That is, with its high hardness, high melting point, and strong ductility, it can completely replace the use of pure alloys in many aspects.

Liu Cong, who was standing in the main control room, heard Mr. Zheng joking and said smoothly: "Mr. Zheng, don't you want to go to other planets and know what other unknown metals there are in the universe."

"If there was only this one interstellar mining vehicle, it would only be able to mine gray metal on the moon."

"Eh~~"

"That won't work. We must build more." Mr. Zheng said quickly.

Mr. Zheng's anxious expression made everyone present couldn't help laughing after seeing it.

【Ding! 】

[The mining progress has been completed. Does the owner need to return now? 】

When everyone heard that the interstellar mining vehicle's mining was completed, they couldn't help but cheer.

"Academician Liu, we succeeded!"

"We succeeded!" Everyone present said in unison.

At this time, Mr. Zheng, who had always been very excited, became calm.

Seeing everyone cheering, Mr. Zheng said in a deep voice: "We're not home yet, what's the point of success?"

"Everyone, sit tight. Didn't you hear that we are about to return?"

"It's not too late to celebrate any happy things when you get back."

Mr. Zheng's words still have more say. After hearing what Mr. Zheng said, everyone returned to their seats in an orderly manner and prepared to start the return flight.

When everyone in the main control room was ready, Liu Cong planned to take everyone back.

During the final moments of his return, Liu Cong looked through the transparent glass in the main control room at the place that people have longed for for thousands of years.

In the long history of history, countless people have used various methods to land on the moon. Obviously, they all ended in failure.

However, this time Liu Cong and the others did it completely and completely.

"Let's return!"

Liu Cong gave the order to the big screen in the main control room.