"Hao", a super quasar with a core black hole of 12.2 billion times the solar mass.

With the huge energy she contained, she easily penetrated the large void and created a super space tunnel leading to the distance.

A large amount of light, radio waves, x-rays, etc., all of which make the quasar "halo" the most dazzling celestial body in the universe.

But with the emergence of the super space tunnel, within Yuan Shichen's sight, the originally extremely dazzling super quasar seemed to be gnawed and swallowed by a dark beast.

Just like the solar eclipse he saw when he was a child in the Earth era, the not-so-large space tunnel blocked the "halo" of the quasar with an astonishing mass, but finally created a visually significant illusion.

At this moment, Yuan Shichen's spacecraft was floating quietly in the dark universe, and his eyes had turned from the space tunnel to the direction of the "marginal world" of the quasar group on the other side.

"The Creator civilization and the core forces that saved the alliance, they are there..."

Although Yuan Shichen thought to himself, unfortunately, it was not the place they were going to. So his eyes returned to the dark spot that was gnawed away in the extremely dazzling light.

Not long after, a familiar voice rang out.

【We have to enter the super space tunnel!】

It was General Volcano Ball who reminded Yuan Shichen.

"Where has the silicon-based robot fleet gone?" asked Yuan Shichen.

[More than 62% of silicon-based mechanical warships have entered the space tunnel.]

"Then, let's act as planned."

【Very good, I have started the countdown…】

The next moment, the spacecraft that was originally floating quietly in the dark universe was lit up. It quickly turned into a little firefly and flew towards the vast fleet of silicon-based robots, and quietly merged into the sea of ​​light.

As he slowly approached the space tunnel, Yuan Shichen knew that it was a barrier.

Going forward is the star field where the energy unit No. 1562 of [Gate of Time and Space] is located.

Behind him is the Odembra Extra-distance Communication Center, where he has been staying for nearly 150 years.

"Goodbye, quasar halo..."

Yuan Shichen muttered to himself with the last look at the already familiar bright celestial body. He had experienced such a scene many times.

The road ahead is long, and there is always only a distance in the deep space of the universe. He doesn't know what he will meet next.

...

What exactly does the observing edge of the universe (the edge that can be observed and perceived) look like?

It is not easy to touch the edge of the universe's vision.

For example, the ancients in the Earth Age thought that the world they lived in was boundless. When they were on the earth, no matter from the South Pole to the North Pole, or from the North Pole to the South Pole, people could never find the boundary of the earth. But in fact, later humans knew that the earth had boundaries.

This is true for the earth and the universe. Therefore, in the development of the cosmological system, a common sense gradually formed - the universe has boundaries.

In ancient times, it was difficult for humans to touch the dividing line between the earth and the universe's vacuum, because on the earth, they who do not have the ability to sail interstellarly are always spinning on the surface of the sphere.

Therefore, if you do not have the ability to match the interstellar voyage, you cannot break through the horizon of the universe.

Before arriving at the [Gate of Time and Space], there were several questions that Yuan Shichen had already learned:

First, the edge of the cosmic horizon is the same as the earth's atmosphere. It is not a clear junction line, but a transitional area. This transitional area has a very vivid name - the chaotic boundary.

After about 16 billion years of expansion, the thickness range of the chaotic boundary has become wider and wider. According to the exploration data of the main civilization, this distance has now reached more than 30 billion light years. And the further along the chaotic boundary, the weaker the influence of our universe on it and the thinner the cosmic matter. It is precisely because of the increasingly thin interstellar matter, dark energy and dark matter that exist in this transition area that the earliest exploration fleet of the Save Alliance can survive.

Second, not all fleets or spacecraft have the ability to reach the edge of the universe's horizon. Even in the world of the Creator civilization, only a very small number of fleets can reach the chaotic boundary through the [Gate of Time and Space].

Therefore, spacecraft that can truly break through the chaotic boundaries and extend to a radius of 46 billion light years away is even rare.

Third, the space outside the chaotic boundary has been defined as another space-time form by the Saving Alliance and the Annihilation Alliance. However, this space-time form has not been completely discovered and recognized by the main civilization. There is a real vacuum, and most of the physical laws still hold, at least on the surface.

Of course, there are also many inherent cognitions that have been broken, such as the upper limit of the speed of light in three-dimensional space. If you are also in the three-dimensional space, the upper limit of the speed of light, outside the chaotic boundary or within the chaotic boundary, are different.

Especially each point in the chaotic boundary range has a different upper limit of light speed. Specifically, the measurement of the upper limit of light speed is as follows:

Outside the chaotic boundary is greater than the chaotic boundary, and the chaotic boundary is greater than the chaotic boundary (our universe)

In fact, thousands of years ago, human scientists had discovered that the speed of space expansion exceeded the speed of light after the Big Bang. Today's universe has developed to an immeasurable scale. It is more difficult than imagined to observe the other side of it: the speed of light in the theory of relativity cannot be surpassed, which means that the speed of information propagation in space cannot exceed the speed of light, but this has no contradiction with the expansion of space itself exceeding the speed of light. Because the universe is expanding, the faster the celestial bodies that are farther away from us will regress. At the edge of the universe, many celestial bodies are indeed moving at super-light speed. If we don't go to them, we will never see them.

Intuitively speaking, the expansion speed of the universe is faster than that of photons, that is, the upper limit of the speed of photons or other cosmic matter in areas outside the universe exceeds 300,000 kilometers per second. The reason is that photons show different propagation speeds in different media.

Light is a transverse electromagnetic wave. In a medium, due to the different dielectric constant and magnetization constant, the speeds of electric and magnetic fields are established differently, so the speeds shown will also be different.

As early as the early thought, light reached its highest velocity in the cosmic vacuum (the definition of the speed of light of vacuum: c0=299792458m/s), it is only the highest velocity achieved in a medium such as dark energy and dark matter. Once the photons leave the expansion universe itself, their speed of propagation in the real void has increased significantly.

(The above views are my speculation. Book friends who have different opinions are welcome to discuss them.)

It is precisely because the universe is continuously expanding, the cosmic coordinates of the [Gate of Time and Space] are constantly changing, and all celestial bodies are expanding their distances to each other in the high-speed expansion space. Even the 1562 energy unit of the [Gate of Time and Space] that Silicon-based mechanical civilization and the energy unit of Nakamoto and others is going to have only a dynamic spatial coordinate.

This established fact has brought a lot of trouble to the normal operation of the [Gate of Time and Space]. Over time, a certain energy unit or gravitational field module may lose its original effectiveness due to the drastic changes from the chaotic boundary.

Just like the Energy Unit No. 1562 of [Gate of Time and Space], the Saving Alliance was clearly foreseeable when it was built. It would lose its utility 323,300 years ago when the energy was completely consumed.

Indeed, every unit or component module of the [Gate of Time and Space] will lose its original role after a certain period of time, but this does not affect their importance at present.

Therefore, the fleet of silicon-based mechanical civilization is also of great significance to assist in the defense work this time.

...
Chapter completed!