They should be coming from the space station, and we can go to the satellite launch center to meet them.
In the Gobi Desert at the Satellite Launch Center, several aviation team members came down from the Satellite Space Transfer Center. They were greeted by the top director of the Earth Defense Agency. Liu Borong was a little flattered and shook hands quickly, "Director, I have not completed what you told me. Task!"
He Kongqun pretended to be angry, "It seems that I am punishing you and saying that it is best for you to come back safely. There will be more difficult tasks waiting for you to complete in the future."
When Liu Borong returned home, his wife finally calmed down after a day of worries. She looked at him in his regular clothes and the smile on his face.
You have always been running the house, but I have been in heaven and have no time to take care of you. It is really a thank you to you. I can take advantage of these few days of vacation to accompany you for a walk outside.
only! Now that the children have gone to school, you have never had time to accompany them. I think this is also a debt to the children!
Liu Borong knew that his wife had always had an outspoken character.
All right! It just so happens that I have time to rest at home these days. If training comes again, I'm afraid I won't have time to accompany you.
Liu Borong's wife is an intellectual woman and works as a teacher. She advocates teaching students in accordance with their aptitude in education.
Liu Borong has been living a three-point and one-line life in the training room of the space station. In the suburbs of this city, where the aliens known as the underworld vegetation live, this place can buy and sell guns at will. This is an isolated island, and these aliens have been isolated in this barren land.
And these aliens are still growing in such an environment. They can change into any person they want to be, because they have the function of genetic recombination.
So he was imprisoned. This air trip is to take the technology of the spacecraft to a higher level. The development of particle cannons is the secret technology of aliens. Their genes and technology are the most powerful among alien civilizations. , although it is not as good as the technology of the galaxy in the center of the Milky Way, it can be said to have certain capabilities in aerospace and life civilization technology. Their most powerful technology is the alien armor. They guard the twelve alien star races, and they live in the supernova, because their armor has the ability to distort the black hole or can resist the gravitational effect of the black hole, ensuring that Personal containment equipment to protect the patient's life activities and work ability. It can protect the human body from environmental factors such as space vacuum, high and low temperatures, solar radiation, cosmic gravity of micrometeors, and meteorite impacts. In a vacuum environment, the nitrogen contained in human blood will turn into gas, causing the volume to expand. If a person does not wear pressurized airtight armor, his life will be in danger due to the huge difference in pressure between the inside and outside. The armor is a multi-functional weapon suit developed based on the summoner's use and the most powerful alien super alloy technology.
The Genesis drive of Hades Sea Vegetation can only be used by experimenters in the cockpit of the spacecraft, and later an aviation suit for extravehicular use was developed. Modern new extravehicular spacesuits have a liquid-cooled cooling structure, which can be used by astronauts for extravehicular activities, lunar landing inspections, or outbound missions.
Liu Borong has always wanted to learn about the Milky Way Star from the underworld vegetation. The central bulge of the Milky Way Galaxy is a very bright spherical shape with a diameter of about 20,000 light years and a thickness of 10,000 light years. This The area is composed of high-density stars, mainly red stars that are about 10 billion years old or more. There is a lot of evidence that there is a huge black hole in the central area, and the activity of the galaxy core is very intense. The center of the Milky Way, the Milky Way The intersection of the rotation axis and the galactic plane. The galactic center is in the direction of Sagittarius. The 1950 epoch coordinates are: right ascension 174229, declination -28°5918. In addition to being a geometric point, the galactic center also means the Milky Way. The central region of the Milky Way. The Sun is about 10 kiloparsecs away from the Galactic Center and about 8 parsecs north of the Galactic plane. There is a large amount of interstellar dust between the Galactic Center and the solar system, so it is difficult to see the Milky Way in the visible light band with optical telescopes in the northern hemisphere. Center. After the rise of radio astronomy and infrared observation technology, people can detect information about the galactic center through interstellar dust in the 2 micron to 73 cm band. The observation of the 21 cm spectral line of neutral hydrogen revealed that the galactic center is 4,000 km away from the galactic center. There is an expansion arm of hydrogen flow at the parsec o, which is the so-called "three thousand parsecs arm" (the distance was initially misdetermined as 3 thousand parsecs, but later revised to 4 thousand parsecs, but the old name was still used). There are about 10 million Neutral hydrogen with a mass of the sun flows towards the solar system at a speed of 53 kilometers per second. On the other side of the galactic center, there is an expanding arm of neutral hydrogen of roughly the same mass, moving away from the galactic center at a speed of 135 kilometers per second. .They should have been ejected from the Galactic Center in an asymmetric manner 10 to 15 million years ago. In the sky area 300 parsecs from the Galactic Center, there is a hydrogen disk rotating rapidly around the Galactic Center, with a velocity of 70 per second. It expands outward at a speed of ~140 kilometers. There is a hydrogen molecular cloud with an average diameter of 30 parsecs in the disk. At 70 parsecs from the galactic center, there is a violently disturbed ionized hydrogen region, which is also expanding outward at a high speed. Now It was learned that not only a large amount of gas is pouring out of the galactic center, but there is also a strong radio source at the galactic center, namely Sagittarius A, which emits strong synchrotron radiation. The detection of the very long baseline interferometer shows that the central area of the galactic center radio source It is very small, even less than 10 astronomical units, that is, no larger than the orbit of Jupiter around the sun. Infrared observation data of 12.8 microns indicate that the mass of a silver core with a diameter of 1 parsec is equivalent to several million solar masses, of which About 1 million solar masses appear in the form of stars. There is a massive dense core in the center of the Milky Way, perhaps a black hole. Relativistic electrons flowing into the dense core accretion disk are accelerated in a strong magnetic field. As a result, synchrotron radiation is produced. The motion state of the galactic center gas, the strong radio source in the galactic center, and the existence of special galaxies with strong core activities (such as Seyfert galaxies) make us believe that in the evolution history of galaxies, including the Milky Way, there were After the core disturbance activities, this kind of activity has not stopped yet.
It is impossible for the current scientific and technological civilization to come and go here, and a black hole is a celestial body with infinite density and infinitely small volume that exists in the universe. The gravity of a black hole is so strong that the escape velocity within the event horizon is greater than the speed of light.
A black hole is a singularity in the center with infinite density, infinitely high curvature of space-time, infinitely small volume, and a partially empty sky area around it, which is invisible within the scope of this sky area. According to Albert Einstein's theory of relativity, when a dying star collapses, it will gather into a point, which will become a black hole, swallowing up all the light and any matter in the nearby universe. It will be swallowed up by it, just like the civilization of the earth today. It is also impossible to achieve with ability.
The production process of a black hole is similar to the production process of a neutron star: when a certain star is preparing to perish, its core rapidly shrinks and collapses under its own gravity, and a powerful explosion occurs. When all the matter in the core turns into neutrons, the contraction process stops immediately and is compressed into a dense star, which also compresses the space and time inside. But in the case of a black hole, because the mass of the star's core is so large that the contraction process continues endlessly, the neutrons themselves are crushed into powder under the attraction of the squeezing gravity itself, and what is left is a material with an unimaginable density. . The gravitational force due to its high mass causes any object that comes close to it to be sucked in by it.
Civilization can also be understood this way: stars initially contain only hydrogen elements, and the hydrogen nuclei inside the stars collide with each other all the time and fuse. Because the star is very massive, the energy generated by fusion competes with the star's gravitational pull to maintain the stability of the star's structure. Due to the fusion of hydrogen nuclei, a new element, helium, is produced. Then, helium atoms also participate in the fusion, changing the structure and generating lithium. By analogy, according to the order of the periodic table of elements, beryllium, boron, carbon, nitrogen, etc. will be generated in sequence. Until iron is generated, the star will collapse. This is because the iron element is quite stable and does not release energy when participating in fusion. The iron element exists inside the star, resulting in the star not having enough energy to compete with the gravitational pull of the massive star, causing the star to collapse and eventually forming a black hole. It is said to be "black" because its density is infinite, and the resulting gravitational force prevents light around it from escaping. Like neutron stars, black holes also evolve from stars that are dozens or even hundreds of times more massive than the sun.
In other words, it is equivalent to hundreds of times the sun and can suck in any object.
