Start with a planet hitting the earth

within earth civilization.

"Doctor, we have just discovered a black hole with the same mass as S7894 in the Andromeda Galaxy. It seems to have appeared out of thin air there."

The doctor in a robe thought for a moment: "Appeared suddenly? Is there anything unusual?"

The female researcher said: "It is now in the center of the Andromeda Galaxy. Just like S7894, it seems to be swallowing other black holes."

"It seems to have its own consciousness, and there is a silver-haired woman beside it. The woman looks like the woman photographed when S7894 was photographed with instruments 60 million years ago, almost exactly the same."

The doctor said: "Then we can confirm that the black hole that appeared out of thin air is the S7894 black hole. Sixty million years ago, our scientists judged that it might have exceeded the speed of light and entered the four-dimensional space. I really didn't expect it. He actually went to the Andromeda Galaxy."

"I guess I think the number of black holes in the Milky Way is too small and it would be troublesome to absorb them."

A young researcher said: "S7894 is a terrifying existence. It is thankful to us that it does not stay in the Milky Way. As long as it is there, it will be a threat to us anytime and anywhere. ”

"Threat? I remember there are records that it almost hit our planet several times, but changed its path several times and avoided our planet." Another researcher said: "Judging from its actions, it is certain that it It is a conscious existence. And it knows our existence and deliberately avoids us. It should be considered a friend to us. "

"Indeed, you are right. It did change its path several times to avoid hitting us. However, this does not rule out its being a threat."

"Sixty million years ago, it swallowed up a large number of black holes in the middle of the Milky Way. As a result, the celestial bodies on the periphery of the Milky Way lost their gravitational restraints and began to spread outward. Fortunately, he did not swallow the Sagittarius A star, otherwise he would run away. The Milky Way would directly It has to break up. Without the constraints of Sagittarius A, all the stars in the Milky Way will become wandering stars.”

"When the time comes, our homeland may not be safe if it collides with stars in other galaxies."

"That's what you said."

The doctor said slowly: "S7894, our scientists have been observing it for tens of millions of years and left a bunch of records. For us, S7894 is a very mysterious celestial body, and it holds many secrets. "

"And through so many years of observation, we can basically judge that it is a celestial body with self-awareness."

The doctor thought for a moment: "We are currently studying dark information. According to the current theory, if the research on dark information is successful, we will be able to communicate with other conscious beings. Maybe by that time, we will be able to communicate with it. ”

"We will know then whether it is a friend or an enemy."

"It must be a friend." The young researcher said: "If it is an enemy, it cannot change its path several times just to avoid us."

The doctor nodded slightly: "Maybe."

at the same time.

Chen Yuan once again swallowed up a black hole with a mass of 2947 solar masses.

He continued to fly towards the next target.

With nothing to do, Chen Yuan watched the civilization in the Fairy Galaxy through his perception ability.

There is a civilization closer to the center of the Andromeda Galaxy.

That civilization gave Chen Yuan a very strange feeling.

It was an artificial planet made of metal.

On an artificial planet, there is a group of creatures made of pure machinery.

There is no flesh and blood, just pure metal, and there is a core in their bodies.

The core seems to be their brain, controlling their thinking.

It's just like something that can transform from a science fiction blockbuster.

"Iron-based organisms? It shouldn't be iron-based organisms. Iron is too reactive, making it difficult for life to develop."

"That's artificial life." Ya's voice came.

Chen Yuan was startled: "Artificial life?"

Ya hummed: "That civilization is called a metal civilization. The planet they are on is a purely metal planet. The entire planet is made of metal."

There are various planets in the vast universe.

Terrestrial planets, similar to Earth and Mercury.

Jovian planets, similar to Jupiter and Saturn.

And Diamond Planet.

And the metallic planet in front of us is made purely of iron and steel.

"This is a civilization established by highly intelligent robots created by another civilization."

"The existence of this civilization was caused by two highly intelligent robots who escaped from the previous civilization and then used their own abilities to use the resources of that metal planet to create new intelligent machines."

"They slowly evolved over time and ended up like what they are now."

Listening to Ya's explanation, Chen Yuan never expected that the metal civilization would have such a historical process.

"The universe is vast and full of wonders."

Those robots ranged from big to small. The small ones were estimated to be less than ten centimeters, while the large ones were more than thirty meters tall, just like a giant.

They have their own sound system and can communicate with each other.

It is incredible that a machine civilization can evolve.

Chen Yuan subconsciously looked at Ya next to him.

Upon seeing it, Chen Yuan was slightly stunned.

I don’t know when, there was an artificial planet next to Chen Yuan.

The artificial planet was a distance away from Chen Yuan, and the distance was just at a delicate position. It would not be swallowed by Chen Yuan, and it was just pulled by Chen Yuan’s gravity and rotated around Chen Yuan.

In this artificial planet, Ya was sitting on a chair, holding a cup of coffee in her hand, drinking leisurely.

“This… when did you build an artificial planet next to me?”

Ya smiled slightly when she heard it: “It has been more than 6,000 years since this artificial planet was built. Who told you not to pay attention to the things around you?”

“It’s just strange. I am traveling at a sub-light speed now, how can this planet not be thrown out?”

“Gravity.” Ya said: “Your gravity pulls this planet. The faster you go, the faster it goes. Speed ​​is relative. Relative to this artificial planet, your speed is the same as it.”

“You can understand it as a rope pulling it.”

Many people think that the solar system was stationary at the beginning.

But in fact, the solar system is not stationary in the Milky Way.

The sun is moving around the center of the Milky Way, rotating at a speed of 250 kilometers per second.

When the sun moves, the planets around the sun, that is, planets like the earth, are also moving around the sun.

Movement is relative.

If the earth is used as a reference, then for the earth, the sun is equivalent to not moving.

And it is the same now.

For the entire universe, Chen Yuan is flying at a speed sub-light speed, but for the artificial planet around Chen Yuan, he is equivalent to not moving.

And Ya naturally sat comfortably on the chair on the surface of the planet, drinking coffee, leisurely enjoying a pleasant time.