Looking at the silver bullet train in front of him, Yue Jing nodded:

"It's a singer from a long, long time ago. I once sang a song called "Bullet Train...... This is where the train got its name. ”

It's not too surprising to name a train after a song. But even so, it still made Zhao Zhuo a little curious: "That singer ...... Is it famous? ”

Yue Jing shook his head with a smile: "We don't know about things so long ago. The only thing I can tell you is that the person who sang this "Bullet Train" in the first place is now one of the most influential families in Liluo District. It is one of the few oldest families in the Federation that has survived from the time of Proto-Earth. And this bullet train was made by the factory industry owned by that family. ”

"The oldest family?" Looking at Yue Jing dumbfounded, the young man stammered a little: "You say...... They've been around since the time of the 'Primordial Earth'!? Until now, it is still the most influential family in the federal pear fall district!? How juvenile is this? ”

In this regard, Yue Jing shrugged: "God knows how many years it will take." ”

The so-called "Proto-Earth Era" actually refers to the original home planet Earth where the Federation humans lived. Because of some customary names of the Federation, they refer to all the planets they occupy as "Earth", and their home planet, Earth, will be referred to as "Proto-Earth" at some point.

Speaking of the "Primordial Earth Era", one of the researchers in the team suddenly couldn't help but ask Yue Jing curiously: "Professor, our Federation has a history of tens of thousands of years from the beginning of the 'Primordial Earth' era to the present. But why is it that for such a long time, our technological level is still not much different from the original earth era? Not...... I mean, for tens of thousands of years, or even hundreds of thousands of years, why is our technological progress so slow...... It's really like a snail crawling. ”

As soon as the topic opened, it immediately caught the attention of other researchers. Everyone came over and began to ask, "Yes, Professor, I've always been curious about this question!" I think when it was the original Earth era, the degree of science and technology was developing rapidly. Almost every 10 years. How is it that the level of science and technology of the Federation has become so slow now? ”

"It's not just slow, it's stagnant! Tens of thousands of years! How many decades have that been! ”

Facing the gossip of his subordinates, Yue Jing raised his hand slightly, and pressed his hands to signal everyone to be quiet. He looked around until everyone's eyes fell on him, and then he slowly spoke: "According to records, in the era of Proto-Earth, when human beings finally decided to leave the desolate home planet that was destroyed by environmental pollution and nuclear pollution, they had already appeared on a habitable second earth - of course, it was precisely because of this that they dared to go to war unscrupulously. We don't need to say much about that. Our second Earth is g1iese581netbsp, which is 20 light-years away from the original Earth; "Twenty light years, that is, the distance that light travels twenty years. However, that degree is for light. With the level of science and technology of the original earth at that time, the spaceship they created did not have such a degree. At that time, they were only able to achieve one-tenth of the light. In other words, it took two hundred years for our ancestors to leave the original earth and reach the second earth. ”

"Two hundred years!" Qi Yaya couldn't help but exclaim, and subconsciously covered his mouth, "At least three generations." ”

"Yes. Three generations. Nodding, Yue Jing slowly glanced at the quiet people, and then said, "That was the first great interstellar migration of human beings. All of them were extremely nervous and apprehensive. In order to prepare enough resources and fuel, they squeezed almost all the usable qiē on the original earth! Enough supplies and fuel for a five-hundred-year trip were prepared! Because no one can guarantee that they will be able to survive after they get there, but no, maybe they will have to come back and guard this broken planet again...... Five hundred years of supplies and fuel, nearly four billion people! Can you imagine what a huge sum of money this is? Even with the so-called recycling system, this is still an incomparably large consumption. We have no way of knowing how many years the leaders of the original Earth had been preparing for that kind of migration, or how they had done such meticulous calculations. But what I want to tell you is that even with the current scientific and technological strength and strength of our Federation, it will take at least thirty years to prepare so much material and fuel! And the consequences of doing that...... It is to postpone the degree of our science and technology exhibition by 30 to 50 years as a whole! ”

Hearing this, some of the researchers who had been puzzled before understood. They stood there stunned, looking at Yue Jing in amazement, imagining in their minds what a huge and awe-inspiring process the first interstellar migration had been that had come out of the professor's mouth.

"In the first interstellar migration, our ancestors wandered in the universe for more than 200 years. During this period, not to mention the development of technology, it is already difficult to maintain the entire migration team without problems. Fortunately, the environment on G1IESE581C is suitable for human survival. This is how our human culture will not be extinct. ”

Speaking of this, Yue Jing suddenly smiled bitterly: "But...... Migration, once proven to be feasible. Then it may be brought up for the second and third time. Whether it's out of preparedness or because it's intended to be. When human beings moved to the planet G1iese581c, they continued to develop and survive on the one hand, and on the other hand, they were also preparing to continue to migrate. They continue to search for viable planets, and then continue to stock up on supplies in preparation for the next migration, while the innate infighting of humanity has not left the stage of history...... Can you imagine? Under such circumstances and circumstances, the development of science and technology is a difficult and slow thing. ”

"A viable planet has been revealed, but it's more than fifty light-years away from G1IESE581C. And this means that human beings need to drift in the universe for almost 500 years! ”

"So, sail, migrate, search, and seek...... Tens of thousands of years have passed. ”

"You're wondering where we're spending our time, and my answer is -- it's all on the road."

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