"Sister Xin, what exactly do you do, is it convenient to say?" Wu Lang looked at Xin Ying.

Xin Ying nodded and smiled: "For Professor Li's sake, let me tell you that I study unknown mysteries, for example, heaven, underground, water, caves, supernatural and so on, as long as it is something that is difficult to explain and explain by common sense, it belongs to the scope of my work." ”

"This job is interesting, you can go to many places, it's better to read thousands of books than to travel thousands of miles!" Wu Lang said with a smile.

"It's interesting, but it's also full of uncertain dangers, for example, what kind of monster was that just now?And who was the person who attacked me later?Who was the person who fought him?" Xin Ying looked at Wu Lang and said.

Wu Lang glanced at her, and then briefly explained the reason for the matter.

"Is there really witchcraft in this world?" Xin Ying said in surprise.

"There are many wonders in the world, if there can be aliens, why can't there be witchcraft, maybe it is not called witchcraft in other places. Wu Lang said with a smile.

Xin Ying nodded and said with a smile: "When you talk about aliens, I'll tell you something again, do you want to hear it?"

"Listen, Mr. Xin's lecture can't be pulled down in a single class, or it won't be able to keep up with the pace of the times!" Wu Lang said.

Xin Ying glared at him and said, " Since the ancient ancestors were born on the earth and learned to think, they have always had a strong curiosity about the vast starry sky, and they even wonder if there are people on the other side of the starry sky, like them, so in the petroglyphs they created to depict the starry sky, you can often see the figure of people falling from the sky, which may be their longing for the people on the other side of the starry sky, in the middle of the 20th century, the rapid development of science and technology finally allowed human beings to realize the dream of tens of thousands of years, that is, to break free from the shackles of the earth, close to and embrace the vast universe。 But when mankind realized its dream of entering the universe, another terrible question quietly came to mind: Are there intelligent beings in the universe like us humans?

Wu Lang smiled slightly, and said secretly: This Teacher Xin's speech is really appetizing, and the tone of the particle is too good!

Xin Ying continued: "In order to solve this doubt, and also to find a "companion" or "neighbor" in this great universe, so that human beings are not so "lonely", so scientists launched a plan to find extraterrestrial civilizations around 1960, and used all available means to find possible intelligent life and extraterrestrial civilizations in the universe. But the reality has poured cold water on mankind, because after nearly 60 years of searching, not to mention extraterrestrial civilizations, even extraterrestrial life with a very "simple" structure like bacteria has not been found, are we the only intelligent life in the universe? This statement was quickly denied by scientists, because by calculating the galaxy like the Milky Way in the universe, there are at least 2 trillion galaxies, and the number of planets like the earth is even more immeasurable, because there are too many. Even if the probability of life being born on these planets is close to zero, but with such a large base, it is almost inevitable that life will be born, since there must be extraterrestrial life in the universe and even intelligent life that has established civilizations, then where are they? And scientists have also put forward many hypotheses to try to explain why there should be many extraterrestrial civilizations in the universe, and why humans have not discovered any of them, or why none of them have taken the initiative to contact humans. ”

Wu Lang poured tea and water for Xin Ying again, lit a cigarette himself, took a deep breath, and continued to listen to her story.

Xin Ying picked up the teacup, took a sip, pondered for a moment, and continued: "Among these hypotheses, there are the least "loopholes", and the most likely is the "Space Laboratory" hypothesis, which believes that alien civilizations have already discovered the vibrant Earth, and in order to better observe the Earth or other planets in the solar system, they have "blocked" the entire solar system and regarded it as their space laboratory. It's as if humans put a mouse in a laboratory, and before humans put a second mouse in the laboratory, the mouse can't find a creature like it in the laboratory, and there are many "unreasonable" celestial bodies and many "coincidences" in the solar system. ”

Wu Lang listened with great interest, picked up a bottle of Erguotou, drank it in another sip, lit a new cigarette, and took a puff.

Xin Ying glanced at him, frowned slightly, as if blaming him for smoking and drinking too much, and continued: "When it comes to unreasonable celestial bodies, I have to talk about the moon and Titan, the moon I said just now, now I focus on Titan, Saturn's moon Titan is very similar to the moon, in 1997, in order to study Saturn's atmosphere, rings, Magnetic field and satellites, scientists launched a probe weighing about 6 tons, this probe is the last planetary exploration spacecraft of mankind in the 20th century, it is this probe that allows people to discover the singularity of Titan, from the photos sent back by the probe, scientists found that the color of the north and south hemispheres of Titan, a deep and a light is very different, but this is not the real strange place of Titan, after careful study of the photos sent back, scientists were surprised to find that the equatorial position of Titan has a bulge, after comparison and measurement, the average height of this bulge is about 13,000 meters, and the width is about 20,000 meters, and the length is 1,300 kilometers, so the overall appearance of this bulge at the equator of the planet is like a weld mark that welds the northern and southern hemispheres together. ”

Wu Lang frowned when he heard this, and couldn't help leaning forward and looking at Xin Ying.

Seeing her appearance, Xin Ying nodded and smiled: "Scientists have put forward many hypotheses about this, trying to explain the formation of this bulge, but so far there is no hypothesis that can perfectly explain why there is this bulge, and this bulge only exists in the Cassini region of Titan, and some scientists who agree with the "laboratory hypothesis" have put forward a bold guess that this planet is not naturally formed, but a creation of an alien civilization. This bold speculation is not nonsense without factual basis, after calculating the density of Titan, it was found that its density is very low and almost about the same as water, which means that it is certainly not a planet composed of rocks, although in terms of density it should be a celestial body composed of cosmic dust and some broken ice, but the celestial bodies composed of broken ice and cosmic dust are comets, so if Titan is hollow, then such a low density is very reasonable, and a naturally formed celestial body cannot be hollow, so does this mean that Titan is not a naturally formed celestial body? In addition to the above strange points, the orbit of the planet Titan is also different from that of other moons of Saturn, because there is an oblique angle between Titan and Saturn, so if you stand on Titan and look at Saturn, you can see a complete ring of Saturn, is Titan an observatory to observe Saturn?"

Wu Lang nodded, agreeing with her statement.

Xin Ying smiled proudly: "It is precisely because Iapetus has many strange places, and there is a welding mark on the equator that is 1,300 kilometers long and 20 kilometers wide, and it is somewhat similar to the super weapon "Death Star" in Star Wars, so it is considered by many people to be the creation of an alien civilization, and even an abandoned spaceship or observatory." ”