“…… Helium-3, a good thing, is not only an energy source, but can also be used to do some superfluid experiments, which can fit the formation of cosmic strings to a certain extent......"

"And elemental helium-3 is a noble gas that makes it difficult to react chemically with other substances...... It is also very helpful for many experiments. Ｘ”

Talking about helium-3, physicist Professor Ding Yidong uttered a string of strange terms.

He was still thinking about his scientific experiments.

Until now, the golden age of physics has not passed, and there are still a large number of difficulties that have not been overcome.

Various theories are emerging one after another, and human technology is also booming.

The great scientist felt ...... It's a bit of a waste of time to have a meeting here, and he wants to go back to his lab.

After 160 years of hard work, these working habits are engraved in people's bones.

In particular, with the installation of a brain chip, intelligence has taken a leap forward...... Everyone felt like they had broken through to another level.

The activity of people's thinking has been greatly enhanced, and wonderful ideas have emerged in an endless stream, and they do not do scientific research...... It's a shame.

One of the engineers made a useful point: "If helium-3 were used instead of deuterium as the main nuclear fuel, the nuclear reaction would be much cleaner." Without the neutron flow, the maintenance interval of a nuclear reactor can be increased by a factor of 18! That's good for us. ”

"And the helium-3 bomb has a smaller yield and can be ...... in a smaller reactor"

Now human beings have indeed achieved nuclear fusion, but they directly use a reactor several kilometers thick, coupled with a strong magnetic field, to rudely eat the nuclear explosion energy directly.

This kind of reactor also needs a certain amount of maintenance after long-term operation.

The flow of neutrons produced by nuclear reactions is even more annoying, and the neutrons themselves are not charged and cannot be isolated by magnetic or electric fields. These neutrons are mixed in the ions, which not only destroys the furnace wall, but also destroys the equipment associated with the generator, resulting in much more maintenance.

If helium-3 is used as nuclear fuel, neutrons will not be produced, which is indeed much cleaner and more efficient.

"Even ...... Higher-level interstellar civilizations also need helium-3, and it is also a kind of transaction between civilizations. ”

There was a heated discussion among the people, and the mining of helium-3 became the first priority.

Of course, this cannot be used as a long-term work plan, and with the massive number of robots stored in the Noah, the mining work can be completed in a few years.

So, what should humans do in a few years?

Now that humanity has become an interstellar civilization, the area that can be set foot in is much wider, and there are too many targets to choose from.

But people can't spin around like headless flies, there are many things that people have to figure out: first, naturally...... How should the new human civilization develop?

How should human beings who have just stepped into the stars face the entire universe? Or rather...... How to face a galaxy full of secrets? How to explore externally?

Although people have learned some basic information about the universe from the report of the alien life form "Black", this information is still too little and too little.

Yu Yifeng thought for a while and said directly: "It's too dangerous to wander aimlessly in the galaxy like this. ”

"So I think it's more logical for us to have a parent planet that resembles Earth, or a sun to back it up, and then explore it all around."

“…… For now, our primary goal is: to find the next Earth, to find the next solar system! ”

"What do you think?"

This plan was unanimously approved by all those present.

Every old man of the first generation yearns for another earth. Maybe it's because they're old and have been around for a long time, and they inexplicably miss some days on earth.

"In half a year, we will reach planet GB131, and the mining time will be about two years. What are the best goals for you to choose from? Earth-like planets do we have discoveries? The kind that is closer. Yu Yifeng asked as he studied the star path map that the Green Light Civilization had sent.

The information on it is not very much, but it is marked with a star more than 4,000 light-years away, in the outer region of the Milky Way core......

That's supposed to be the colony star of the Green Light People.

The Green Light Man still owes the humans something......

However, it is impossible for humans to go so far to blackmail the Green Light People for the time being.

Judging from the size of the spaceship alone, human technology is still not comparable to the green light civilization...... If you run over and ask for debts, you will be hanged and beaten!

Astronomer Thomson was the first to suggest: "We are in a binary star system that does not have an ecological environment like Earth...... So we have to get out of this star system. ”

He was operating the computer, and a more complex image jumped on the screen, which was the orbit of the double star.

In the two-body problem in the universe, if only gravitational attraction is considered, and one star is used as a frame of reference, the trajectory of another star is a conic orbit.

Only in this way can the affirmative nature of the law of gravitation be satisfied.

Although this conic trajectory is simple to calculate, it is too unstable for a living planet, with distances and nearness, cold and heat. Coupled with the massive and strong solar wind of the binary star, it can directly blow away all the atmosphere of the near planet.

Therefore, all the planets in the binary star system do not meet the requirements of human beings.

"We have observed a Sun-like star 6.3 light-years away, and there may be a terrestrial planet in the habitable zone," Professor Thomson said. We can go there and try to get lucky, but if we can't, we can try to make a change ourselves......"

"I just don't know if there is an indigenous civilization there......"

"There are other terrestrial planets that are more distant, and this is the specific information...... You can take a look. ”

He sent a copy of the information to everyone's computers.

Yu Yifeng glanced at it a few times, nodded and said, "That's it, during this time, I will first make a detailed observation of that terrestrial planet and analyze the specific data." Wait until we have finished replenishing helium-3 before making a final decision......"

This is the end of this short meeting, of course, only a preliminary meeting, to give you an idea of your goals for the near future:

Mine first, then look for the next Earth!

Yu Yifeng suddenly sighed with emotion, the planet 6.3 light years away, a distance that people on the earth couldn't even think of in the past!

But at the current maximum speed of curvature navigation, it is almost two years of sailing time, which is completely acceptable to human beings.

It only takes two years...... Humans will be able to run past.

That's what it is...... Qualitative change brought about by technology!

"If the quality of that planet is so poor that it will take hundreds or thousands of years to transform, it is better to just give up and look for the next one."

Yu Yifeng thought silently.

"The Milky Way is so big, it is impossible not to have the next Earth ......"

That being said, it's a bit difficult to find an exact one.

The planet's reflection is too faint. It is quite difficult to get a clear view of distant planets with radio telescopes......

In contrast to an ordinary terrestrial planet and a nearby hot host star, the planet's reflected light is largely obscured by the star, just like a blazing moon, and it is easy for humans to ignore the past.

It is also a natural way of protection for lower civilizations.

At a distance of 6.3 light-years, human radio telescopes only know that the planet has an atmosphere on its surface, which may resemble Earth, and that's it......

However, Yu Yifeng knew in his heart that if it was really similar to the earth, there was a high probability that life would exist. In the universe, because of the existence of the universal laws of life, human beings are not lonely, and there are too many intelligent life forms other than human beings.

However, humanity has become a rare interstellar civilization very "lucky", or very "hard". Interstellar civilizations that have crossed the Great Filter are definitely rare.

If it is divided by the level of science and technology, there is no doubt that more than 99.999999% of civilizations are low-level civilizations!

If we refer to the information given by "black", these civilizations are simply classified as "K-class civilization", that is, the meaning of low-level civilization.

The winners are all similar, but the losers are diverse. In the eyes of interstellar civilizations, it is these K-level civilizations that make up the colorful galaxy...... r