Five ships flew out from beneath the surface of the island and flew all the way up away from the Blue Wave.

These five ships are five of the ten fourth-generation conventional frigates originally purchased from the Chu Group, while the remaining five are still moored at the underwater base next to the island.

The development of a new base this time does not mean that this small island base will be abandoned, it will become a regular base, not the main base of the 'Shadow' First Legion.

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The five ships sailed all the way to the same ship that the Ark was on, converged, and continued for some distance before initiating the space jump.

Inside the spaceship, Naraku carefully observed the spaceship and said, "Lord, the style of that spaceship does not seem to belong to any of the intelligent races currently known in the galaxy. ”

"You're right, this ship doesn't belong to the Milky Way, it comes from a distant galactic civilization."

"That's really amazing, although there are local differences, this ship is not much different from our Terran ship as a whole."

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Interestingly, the Terrans of the Earth and the Terrans of the Holy Oath Empire are extremely similar in their technological development paths.

For example, laser weapons, combat armor, space leaps and other related technologies are all overlapping, that is, although there is no communication between the two sides, the development direction of the two technologies is strikingly similar.

From this point of view, the direction of scientific and technological development of the human race seems to have a certain inevitability, or in other words, the direction of scientific and technological development has a certain inevitability, no matter how it develops, it will go in the same direction.

This may be the so-called road leading to Rome.

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One thing to explain is that the Terrans of the Divine Oath Empire developed tens of thousands of years earlier than the Terrans of the Earth, but so far, the technological level of the Terrans of the Divine Oath Empire is only slightly ahead of the Terrans of the Earth, and although there is a slight gap in the civilization level of the two sides, the gap is not large, and they are both at the stage of the second-level cosmic civilization.

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The level of cosmic civilization is the former Soviet astrophysical scientist Nikolai . Kardashov hypothesized a three-level model of cosmic civilization based on the level and total amount of energy that could be mastered and utilized, and later generations added it to seven levels.

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Before the earth race entered the interstellar development, it was a first-level civilization, and the first-level cosmic civilization is also called the "planetary civilization", which has the ability to mine and utilize almost all the energy and energy on the planet, that is, the civilization is the absolute "master" of the planet.

Generally speaking, it means that the first-level civilization has "supreme" capabilities on the planet where it is located, and the level of science and technology is at least the point of gene technology and nanotechnology, and the universal application of nuclear fusion energy.

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And human beings only entered the first-level cosmic civilization more than a hundred years ago.

In the decades after human beings entered interstellar development, human beings began to move from a first-level cosmic civilization to a second-level cosmic civilization.

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The second-level cosmic civilization, also known as the "stellar civilization", has reached the point where it can leave the planet at will and exploit the stellar energy near its planet. The entire star system is under control, and you can habit, shuttle and develop energy on all the planets of the star system as you like, and you can build a Dyson sphere to make full use of the energy of the star. (A Dyson sphere is an artificial object with a diameter of 200 million kilometers that wraps around the star and extracts stellar energy, so that most of the star's radiant energy is intercepted, so that it can support the civilization for a long time and develop to a sufficient height.) Humans have also tried to build a Dyson sphere, but it failed because it was too difficult. Later, with the development of the universe, new energy sources were constantly discovered, and the Dyson sphere plan was also shelved. ）

At present, although the human race has stepped into the second-level cosmic civilization, it is still in the initial stage.

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As for the third-level cosmic civilization, it is also known as the "galaxy civilization", which can easily control the galaxy in which it is located, and can also develop and use all the energy in the galaxy at will, and can even draw the energy needed for its own civilization from the existing black holes in the universe.

Although the Holy Oath Empire has the right to rule over the Valinor Light System, the galaxy is so large that they can only really grasp a small part of it, and it is still a long, long way from being completely easy to grasp.

Therefore, the Divine Oath Empire also belongs to the second-level cosmic civilization, and the Divine Oath Empire has been trapped for more than 10,000 years in the second-level cosmic civilization stage, although there is slow development, but it has not developed by leaps and bounds, and it is still extremely far away from the third-level cosmic civilization.

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After that, there are fourth, fifth, sixth, and seventh levels of cosmic civilization, but those are too far away to be described here.

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When it comes to the level of civilization in the universe, there is a very key point, that is, energy.

And if you want to step into the second-level universe civilization, you need the support of super energy.

For example, the origin of the earth and the guardian energy of the Holy Oath Empire are all super energy sources that can support space migration.

Without the existence of this kind of energy, there would be no space migration technology, and without space migration technology, human beings would not be able to advance to a higher civilization.

The Holy Oath Empire had reached the first-level cosmic civilization tens of thousands of years ago, but due to the relationship of energy, it has been unable to explore further interstellar space.

It wasn't until the advent of the Guardian Energy that the Holy Oath Empire's path to the universe was officially opened, and it was the emergence of this super energy that laid the foundation for the Holy Oath Empire to dominate the Valinor Light Galaxy.

Defender Energy, this super energy can definitely be said to be the greatest progress in the Holy Oath Empire in the past 10,000 years.

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And the earth can reach the level of the Holy Oath Empire in just a few hundred years, and the birth of the Origin is the most crucial.

Normally, the earth human race has just reached the first-level cosmic civilization, and it usually takes tens of thousands of years to develop a super energy source.

But the mysterious, seemingly open-minded scientist Qi was born out of nowhere, and launched the super energy source of Qiyuan.

The emergence of Qiyuan has directly promoted the emergence of space migration technology, which in turn has greatly promoted the development of human beings in the universe, and the development of space has greatly improved the progress of human civilization.

It can be said that super energy is the key to the evolution of all races from the first-level cosmic civilization to the second-level cosmic civilization.

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And if you want to move towards a third-level cosmic civilization, you need more advanced energy support, and this is the direction of all command races.

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