Beneath Deep Space

"There are so many things to ask for..."

Looking at the projects one by one, it is obvious that people's living environment is moving closer to the earth. There is artificial sunlight in the sky, greenery on the roadside, and oxygen is produced by plants. No matter how picky you are, you can feel that the living environment is greatly improving.

Because it is working time now, there are very few people on the street. Everyone walking by is in a hurry, some are meditating, some are smiling, with different expressions. Generally speaking, they are mostly positive emotions.

Finally, Yu Yifeng and Luo Man came to a piece of grass, which was also one of the main contents of environmental transformation.

Seeing this piece of grass, Yu Yifeng suddenly squatted down and carefully stroked the grass in front of him. They are thick, short, bright green, very ordinary, and very solid.

I really miss it... Although it is just the most ordinary loess and the most ordinary grass, and I don't even know its scientific name, the combination of these brings a very friendly feeling to Yu Yifeng.

There is no such lawn on the lunar base. There was no such lawn on the Noah ship in the past, but now... people have finally done it. There are soil, lawns, and unknown wild flowers.

Sitting quietly on this lawn, feeling the rays of the sun, the breeze blowing slowly around him, and a few ants crawling under his feet from time to time... This lazy feeling gave Yu Yifeng the illusion of returning to the earth.

This is a kind of homesickness...

In Yu Yifeng's hometown, there is a tradition that tourists always bring a handful of soil from their hometown when they go out. Whenever I miss my hometown, seeing my hometown is like looking at my hometown... However, human beings today do not even have the ability to take a handful of their hometown.

Only after losing the mother star can we know how good the mother star is. Perhaps human beings will always be like this, only when they are lost do they know how to cherish...

After a while, Yu Yifeng got rid of his homesickness, stood up slowly, and sighed softly.

Earth, humans cannot go back. Humanity can only keep moving forward and never retreat!

Roman seemed to feel the same as Yu Yifeng, and only then did he come back to his senses. "This lawn is the natural park we are about to build. The park area is not very large, about 1.2 square kilometers.

We've gone to great lengths to create soil that resembles Earth, with a small ecosystem of insects, small herbivores, and small carnivores. "

Hearing this data, Yu Yifeng frowned tightly. 1.2 square kilometers? This is not what he wants. According to the plan, this natural park should have lakes, grasslands, trees, and rockeries. How can it be possible in 1.2 square kilometers?

"1.2 square kilometers? It's too small. Why is it so small?"

"Because... our technology is not yet able to circulate the entire ecosystem." Dr. Roman shook his head and said, "I plan to try a small ecosystem first, and then try a larger one."

"Why?" Yu Yifeng asked doubtfully.

"Let's put it this way, we are not enough in terms of technology or resources. If the park is too big, a lot of water will be needed for irrigation every day. We can get about three Qinghai Lakes' water from Mars, which is not too much, and we cannot arbitrarily waste."

"Besides, the transpiration of plants will emit water molecules into the air. However, these water molecules will only accumulate in the spacecraft and will not form clouds or rain like on the earth. Therefore, the air humidity will become larger and larger. The whole spacecraft will be extremely humid by then, and I think you don’t want that either.”

Yu Yifeng nodded, this was something he didn't expect.

"For the problem of air humidity, we can only use air dehumidifiers, which can also recycle part of the water... Once the park gets bigger, more dehumidifiers will be built and consume more electricity. I don't think that is necessary."

Yu Yifeng held his chin and understood. Roman meant that small parks are easier to control, and people don't have the conditions and technology to build large parks. But he thought too simply. All artificial things are complex and delicate, just like walking on a tightrope. It can be said that one hair can affect the whole body.

Humans have not yet been able to create an ecological environment like the Earth, but a system with the ability to automatically adjust like the Earth is what biologists dream of. A park of 1.2 square kilometers... "Well, let's leave it like this. For today's humans, it's pretty good." Yu Yifeng nodded helplessly.

"We also extracted a large amount of air from the Martian atmosphere, sealed it and compressed it elsewhere. In the future, we humans will not have to worry about insufficient carbon dioxide..." Dr. Roman added.

"Oh, by the way." He patted his head and said suddenly: "There is a discussion about the universe this afternoon. I hope you can come and listen."

"Oh? What's the main talk?" Yu Yifeng asked. If it's more interesting, of course you can participate. I happen to be free this afternoon.

"Conjectures about life, civilization, and intelligence. Many biological scientists, physicists, and cosmologists will participate. The content... Well, I think you should listen to it."

Since Dr. Roman said this, Yu Yifeng immediately nodded in agreement. Human beings really know too little about the universe. If scientists have researched something, it is of course a good thing. As a leader of civilization, he should listen to it.

…

Since the birth of wisdom, human beings have begun to explore the universe and explore the mysteries of life and wisdom.

The four major ancient civilizations in human history each have their own views.

In China, there has been a saying that the sky is round and the earth is round since ancient times. Its essence stems from the evolution of the innate Bagua.

Other ancient civilizations also have similar views: Because the ancient Egyptians lived along the Nile River and the terrain of the entire region was long and narrow, they believed that the universe was like a box that was long from north to south, with the earth floating on water, and the sun, moon and stars hanging on the roof, borrowing divine power. Support...

The Babylonians believed that the sky was like a dome covering the earth, and that the sun, moon, and stars each had their own life and moved on the dome.

The ancient Indians believed that the earth was carried on the backs of four elephants...

These opinions are strange and strange. They are all conclusions drawn by people based on the phenomena they see before their eyes and then making bold guesses.

It was not until the 4th century BC that the ancient Greek philosopher Aristotle proposed a slightly more reliable "geocentric theory."

Then, in 1543, Copernicus proposed the more accurate "heliocentric theory." Copernicus believed that the sun was at the center of the universe and that the earth and other planets orbited the sun in circular orbits.

It can be said that humankind’s discovery and exploration of the universe is a process of constant correction and improvement...

Modern science believes that the sun is just an ordinary star in the Milky Way. The Milky Way is just an ordinary river system in the vast universe. Even the "heliocentric theory" has been denied.

And then, what else do people know? Perhaps, the understanding of modern science is still wrong...

Tiny human beings have never discovered alien life, not even a shadow. The only discovery was the Noah spacecraft, but alien life was not discovered. Where did they go? Nobody knows……

In the year after the explosion of the earth, people had to step into the starry sky, and as a result, alien life was discovered on Mars!

Although they are just viruses that are inferior to prokaryotic cells. But what does it mean, and what can one interpret from it?

"This is the main purpose of this scientific discussion. We want to gather everyone's wisdom to explore life, intelligence and civilization in the entire universe." During the meeting, a female scientist took the lead in saying.

The initiators of this discussion are astronomer Professor Thomson, biologist Dr. Roman, and a female astronomer named Heigl, who is the moderator of this conference.

Yu Yifeng sat below, just an ordinary listener.

Many scientists present looked serious, and Yu Yifeng even read an uncomfortable meaning. Obviously, the discovery of the Martian virus is not a good thing for mankind.

Wasn’t the Mars virus conquered by humans? It is said that even the results of genetic sequencing are about to be released. Why isn't it a good thing? He was just a little confused.