Chapter 199

When I entered the conference room, I found that many experts were very happy and the atmosphere of discussion was very warm. Zhang Yuan quickly found a seat to sit down.

"Please take it easy! The most important thing is to choose a suitable developing planet as our main development base At present, six planets have been observed, plus a large number of satellites, there are more than ten planets to choose from, but we must find the best one for development! "

In the conference room, Captain Zhao said solemnly, but the excitement in his tone was hard to hide.

“…… Don't take it lightly. Next, whether it's economic development, population growth, industrial development, or the promulgation of various policies... "

"We still have a long way to go."

All the members in the meeting room rubbed their hands, and there was a heated discussion.

All kinds of policies, including economic policy, cultural policy, social welfare, work plan and so on, have been discussed for a long time and basically completed. Anyway, it will be promulgated step by step.

Now the most important thing is to choose the planet, the most important step.

The mass of the central star is only 0.31 times that of the sun, the surface temperature is about 3200 degrees Celsius, and the light intensity is only 1.3% of that of the sun. Because the star's gravity is small, the distribution of the six planets is closer to the star, a bit like a solar system that has shrunk No.1.

According to astronomical data, the two outermost planets are woodlike planets, that is, gaseous planets, with relatively large mass. There are several satellites with thick ice around them.

The other four planets are all earth like.

The main reason for the formation of such a structure similar to the solar system is the "nebula theory".

The inner galaxy is too hot for smaller molecules such as water and methane to gather. Therefore, the region close to the star can only be formed by high melting point materials, such as iron, nickel, aluminum and stone like silicate.

And woodlike planets are formed farther away from the freezing line, and they are extremely rich in water resources. Because most of the elements with smaller atomic weight in the universe, the mass of these woodlike planets can often grow large enough. When the mass is large enough, they can capture the lightest and most abundant elements such as hydrogen and helium, making the mass larger.

In essence, a woodlike planet has a rocky core in its center, but its atmosphere is thick enough to cover up the core.

After a few minutes of discussion, an astronomer stood up and said, "everyone, please listen to me first!"

The meeting room gradually quieted down.

"If you choose a satellite of a gaseous planet as the landing site, for example This is a satellite. "

The screen shows a huge ice hockey with potholes, about 3000 kilometers in diameter, a bit similar to Europa.

”…… We can easily get more nuclear fuel and more water. Just like the Europa industrial base in our solar system... "

"At present, after a series of decelerations, the fuel reserve in the warehouse is not sufficient, which is less than 8% of the reserve line..."

"The mass of the earth age is too large. Every time the carrier is moved, it will consume a lot of fuel. So I suggest that the first base location must be chosen well. "

"Of course, if the main base is selected, according to the current power consumption level, these nuclear fuels can be used for about 3000 years."

Zhang Yuan frowned.

The figure of three thousand years sounds exaggerated, but the precondition is the current level of energy consumption.

With the rapid development of industry, the use of electricity will certainly increase exponentially, and these nuclear fuels will soon be insufficient. For example, metal smelting and industrial production consume huge amounts of energy. The increase of population will also consume more energy. At present, it is only the lowest standard of living.

The astronomer continued: "if you rely on a wooden planet to serve as a nuclear fuel bank, of course you don't have to worry about energy."

"However, the selection of moons of woodlike planets as landing sites may lead to the lack of some heavy atomic weight minerals, such as rare metals, such as scandium, yttrium and lanthanide, due to the formation of these planets."

"The lack of these elements will cause great obstacles to the development of industry. It's impossible for us to dig deep into the earth's core, either technically or economically. "

Sitting on one side, engineer Ye Kaifu tapped on the table with his fingers, thinking about the gains and losses. "I prefer more accessible resources to more accessible ones," he whispered

"It's not necessary to use nuclear fusion for energy. Fission energy is also available Even solar energy! Don't think fusion is bigger than fission. "

"I think so too As for energy, only the economic and cheap ones are the most suitable. " Zhang Yuan nodded.

The scientist on the stage continued: "the second choice is the two innermost planets. Especially the one closest to the star, it's not too much to call it a metal planet! ""We can easily find all the scarce metals."

However, this planet also has some disadvantages, such as less water resources, lack of organic matter, and whether there are uranium deposits is another matter.

“…… It has to be said that the central star is a variable star, the brightness and electromagnetic radiation are unstable, and flares will erupt from time to time. This planet has a very short cycle of revolution, only four days around the whole star, and it is very close to the star. The economic losses caused by the flare of the star must be taken into account... "

These are all difficulties.

Zhang Yuan frowned. When a star explodes, as long as the defense measures are well done, there is no big problem. The most troublesome thing is that all kinds of remote communication will be interrupted immediately. If communication is interrupted during an important task, the loss will be great.

“…… As for the two planets that seem to have a lot of water resources and an atmosphere in the habitable zone, they are not in our consideration for the time being

"But there's a third option. We can consider a glitzer 581g satellite."

"One of the satellites is about the size of the moon It's even a little bigger! "

A pitted planet reappears on the screen.

The members of the Science Council are all rational people, although the two planets have a lot of liquid water, which looks beautiful and suitable for human survival. Even one of them, 581g, from a certain point of view, is a magnified version of the earth!

Many people have been on the Internet, cheering to go to the alien travel.

But

According to the atmospheric spectrum analysis, the concentration of highly toxic gases mixed in the atmosphere, including hydrogen sulfide and sulfur dioxide, is as high as 0.02%! That's enough for humans to eat.

Moreover, the mass of this planet is 3.1 times that of the earth, and the atmospheric pressure is about 1.7 times that of the earth. Under this atmospheric pressure, human beings will feel very uncomfortable, and they must wear space suits at any time to ensure their normal survival.

Therefore, since there is no way to freely breathe the surface air, we still have to carry all kinds of survival instruments. It's better to land on a planet that has no atmosphere and is easy to develop.