With the power of this flying machine in the starry snow, as long as the energy shield is opened, it is almost as fast as you want to fly. In addition to considering the passenger's physical capacity, the acceleration should not be driven too high all at once, and the rest is to consider whether the sonic boom generated by the air squeezing oscillation will affect the sea of trees below, and how much of an impact it will have.

Xingxi Baixue's destination this time was much farther than before to find the incarnation of the will of the planet, and it was at a high altitude, so she didn't need to think too much about the damage to the surroundings of the airburst, so she kept letting the aircraft accelerate. Even if the acceleration is not too large, the speed of the aircraft still becomes quite impressive after a long time.

Anyway, Chu Yuesheng could barely feel the gravitational pull of the planet, and he had to jam his feet between the pedals to prevent himself from flying up from his seat. And if Chu Yuesheng is not mistaken, using centrifugal force to counteract the planet's gravity should be a phenomenon after the speed reaches the first cosmic velocity.

Even if this planet is not Mars, it is not the same as Mars in size and mass, resulting in a difference in the speed of the first universe, but no matter how bad the final number is, it will not be several times worse. Therefore, the speed of Chu Yuesheng's current aircraft is probably more than ten times faster than the speed at which sound travels in the air. This is a vehicle used inside the planet, that is, an air-spacecraft, not a spacecraft that is going to space. The first cosmic speed is already the limit of this type of aircraft, but the aircraft and space that can really accelerate themselves to the first cosmic speed, Chu Yuesheng has never heard of it anyway.

Why do we have to insist on flying in the atmosphere, and it is not much easier to briefly throw off gravity and enter space, and then make a turn around the planet, and then slow down and re-enter the atmosphere, than to limit the speed to the first cosmic velocity? Human beings always like to find new ways, and when they cannot solve a problem, they bypass the problem and find other ways to achieve their goals. Although he still achieved the desired result in the end, in fact, the problems he encountered before were put on hold because of this. This is the reason why mankind already has many spacecraft that can easily surpass the first cosmic speed, but there is still no one that can reach the first cosmic speed.

Yes, and no, that's the difference between 1 and 0, the difference in essence.

Chu Yuesheng barely felt that there was level flight, and the aircraft began to decelerate after accelerating to the maximum, and when the deceleration was almost there, the galaxy snow pressed the nose of the plane, lowered the altitude, and headed straight for the woods below...... Oh no, it's the swamp that flew over.

Galaxy Bai Xue didn't go to the sea of trees again, but took Chu Yuesheng to a swamp that they had seen before when they used the star map to look at the green planet on the starship.

These swamps correspond to the "corruption" of the planet.

Although I had seen these swamps up close before on the starship, after all, the projection was not real, only images, no sound, no taste, and the most important sense of reality was missing.

And now, only by truly entering this terrible swamp could Chu Yuesheng feel how much damage the corruption phenomenon had done to a planet.

Stench, decay, decay, grayness, loneliness, dead silence......

In this vibrant green planet, although the biodiversity is indeed a little worse because it is all plants, it is definitely still a planet full of life and vitality. But here, Chu Yuesheng couldn't see any greenery, couldn't smell the fresh air, and couldn't feel the existence of any breath of life. It was as if it was completely necrotic, and it had become pus and sores, to the point that if it was not removed immediately, the lesion would spread to the whole body.

"Sister Bai Xue, is this what the planet looks like after being corrupted?" Chu Yuesheng just took a breath and felt a wave of nausea, and quickly readjusted to the internal circulation of breathing, no longer producing any gas exchange with the outside world.

The contrast between the swamp in front of him and the sea of trees that Chu Yuesheng had seen before was too stark, which made Chu Yuesheng have an extremely strong understanding of the concept of corruption. If the damage of corruption to a planet can be so great, then it is best to contain the corruption at the initial stage, and never allow the corruption to take root and grow on any planet.

Xingxi Baixue was looking around at the environment of the swamp, and when she heard Chu Yuesheng ask, she replied, "No." Corruption is just a form that causes the planet to die quickly. Corruption is a broad concept and does not refer to a fixed form. Becoming a swamp is corruption, turning into magma is corruption, an earthquake is corruption, and a flood is corruption. As long as it is a large-scale outbreak in a short period of time, the environmental changes that cause the planet to quickly enter death can all be classified as corruption. ”

"Is that so...... So, why is this happening?" Chu Yuesheng didn't understand more and more questions.

The phenomenon of corruption is a big problem that all planets in the entire universe need to face, and the Star Veil Maiden, as an interstellar nobleman who can travel across galaxies, also has a lot of knowledge about this phenomenon. Therefore, Chu Yuesheng's question to Xingxi Baixue can be regarded as the right person, at least in this galaxy, there may be no one who understands the essence of this corrupt phenomenon better than their Star Curtain Holy Maiden.

"This is the universe making a choice for the survival of the fittest. The universe is not gentle, it will unify the planets that have developed to a certain level to the test, and only the planets that have gone through the test will be eligible for the opportunity to continue to develop. And those planets that do not pass the test will be destroyed in the test. ”

"This kind of test, I call it the trial of civilization. ”

"Generally speaking, all civilizations in the universe can be divided by hierarchies. Before stepping into space, all civilizations were first-class. Every civilization will inevitably experience a crisis before entering space, and only by surviving that crisis can it break through some bottlenecks and gain the ability to enter space. Here, it is the advancement of civilization from the first level to the second level. ”

"The second-level civilization has the ability to leave its home planet, but because of factors such as energy and the environment, it can't go far. And if it becomes a third-level civilization, all resources will be greatly abundant, as long as there is sufficient energy, it can produce any materials needed for development on its own. It can be said that as long as the energy source is not depleted, the third-level civilization can create any item at will. ”

"So, the Star Curtain Holy Maiden is a third-level civilization?" Chu Yuesheng thought of what he had seen and heard in the starship, in his bedroom, he could create any furniture, equipment, and environment at will, this was obviously the realm that Xingxi Baixue had just said.

However, Xingxi Baixue shook her head and said, "No, the third-level civilization can only ensure that its own development will not be overly limited by resources, and its existence still needs a foundation. The fourth-level civilization can completely ignore the limitations of energy and create an environment suitable for living and development at any time and place. Because, the means of obtaining energy for the fourth-level civilization are no longer limited by the environment, and unlimited energy can be obtained anywhere. ”

"The fifth-level civilization is a special reference to the civilization that has mastered the power that transcends time and space. There is no obvious difference in the way of life between the fourth-level civilization and the fifth-level civilization, but if the fifth-level civilization wants to destroy the fourth-level civilization, it may only need to press a button lightly, and the fourth-level civilization will disappear without a trace in an instant, and no one in this universe will remember the existence of the fourth-level civilization. ”

"In this universe, there is only one fifth-level civilization, and that is the Star Curtain Holy Maiden. Descendants, we are the only fifth-level civilization. ”

The power possessed by the Star Curtain Saintess clan, at this time, quietly lifted a little skirt corner to Chu Yuesheng.

Even if it was just a description from Xingxi Baixue's words, Chu Yuesheng could still imagine the strength of the fifth-level civilization.

Anyway, the relationship is very simple, each level of civilization has a crushing advantage over the previous level of civilization, and the latter can be easily and effortlessly destroyed. According to Xingxi Baixue's description, human beings are just a second-level civilization that has just entered the interstellar era, and a random third-level civilization can defeat human beings. Then, the Star Curtain Holy Maiden was two major ranks stronger than the third-level civilization...... It's no wonder that the arrival of the Star Curtain Saintess has made the human society on Mars so nervous, if that starship has the ability to easily destroy the entire human civilization, I believe no one can easily deal with it, right?

However, Chu Yuesheng felt that the description of the third-level civilization was already quite exaggerated. As long as there is energy, any matter can be created, doesn't that mean that there is no need to search for all kinds of resources at all, as long as there is enough energy, it is enough? This kind of ability, it seems that no civilization in the entire galactic council has it? After all, every civilization has its own colonized planets and resource planets, and I have not heard of any civilization that only needs shining stars and not surrounding planets.

Could it be that there is no civilization above level 3 in the entire galaxy?

Wait...... It seems that there is really a civilization that can't look down on the planets as long as the stars can't look at it, isn't that the star dragon among the three ancients?

Even if he didn't have to turn around, Xingxi Baixue could imagine Chu Yuesheng's confused thinking now. She sighed and said, "Junior, don't think about it so much. Although this universe is much larger than you think, the pattern of our Star Curtain Saintess is even larger. As long as you get used to the perspective of the Star Goddess, you will find that this world is not as complicated as you think. ”

"When I get back, if you're interested, I can make these basic concepts into a memory stick for you. Although this is only very basic knowledge, it is still very useful for you to understand the world. ”

"But now is not the time for you to think about that. Come on, it's your turn to make a difference. ”

"Help me see if there are any distortion points under this swamp. ”