In order to promote the progress and development of civilization, in the world, human beings have explored many unknown things and successfully turned these "unknowns" into "known".
From the ancient exploration of the specific conditions of the inhabited earth, to the continuous advancement of modern space technology, from the earth to space, human beings continue to refresh and re-plan the understanding of the living environment and future development plans. From the "round place" to the "earth is spherical" understanding differences; from the self-imagination seen by the eyes to the observation of vast galaxies with professional astronomical telescopes; from the seemingly huge earth to the endless universe, human beings are increasingly aware of their own smallness.
The earth is only a small planet in the endless universe, and human conjecture and curiosity about space continue to drive generations of astronauts into space and open a long road to explore the mysteries of the universe. On this adventure that is destined to be extraordinary, failure and the unexpected are always inevitable.
<h1 class="pgc-h-arrow-right" data-track="4" > the development of spaceflight</h1>
In ancient China, there were already myths and legends about the "running moon", and there were many legends about the moon and flying in foreign countries, and too many people in the world wanted to try to understand.
In the late Yuan and early Ming dynasties in China, Tao Chengdao was the first to try to use a homemade "rocket" to send himself into the sky; the Wright brothers in the twentieth century created the world's first airplane, "Flyer One", and humanity finally had the opportunity to travel to the sky, and later even reached more distant space.
In line with the instincts and laws of all biological evolution and the development of things, from walking to traveling in cars and horses to the transportation of cars, we are constantly exploring the limits of what humans can reach; similarly, after mastering the skill of "flying", humans want to explore other stars in mythology, such as the moon.
As a result, the development of the space industry in the universe naturally opened the curtain.
In the face of the unknown, human beings will always continue to experiment and explore in order to achieve the greatest success. On the way to space exploration, failure often goes hand in hand with the research of scientists, and there is no shortage of people who sacrifice for this adventure.
<h1 class="pgc-h-arrow-right" data-track="10" > exploration and sacrifice</h1>
From the perspective of the overall history of human development, our journey to space is not particularly long. In the 1960s and 1970s, as the world's well-deserved powers, the United States and the Soviet Union launched a fierce "space race", and human beings began to try to get out of the earth and unveil the mystery of the world beyond the earth.
But if there is success in the world, it is bound to experience failure, especially in the face of an unknown dangerous field. Since the beginning of the space industry in the universe, scientists have studied the affairs of the universe one after another, and some people have paid the price of their lives for it.
<h1 class="pgc-h-arrow-right" data-track="13" > five "remains" in space</h1>
Before the space technology of the universe was fully mature, countless astronauts threw themselves into the space industry, and to this day, there are 22 great victims. Among these people, there are five astronauts whose souls have returned to the universe and floated in space.
The first astronaut to land on the moon, Gagarin
Eugene Shoemaker
Eugene Shoemaker, an astronomer from Los Angeles, California. He graduated from university at the age of 19 and graduated with a master's degree at the age of 20. He was one of the pioneers and founders of planetary science and the only human buried on celestial bodies other than Earth.
In the journal Science (1960 edition), a record of the discovery of "natural cofrester" was published. Eugene and two other geologists discussed the problem of meteorites, and completed his doctoral thesis on the topic of "Geological Research of Barinje Crater", which provided a strong reference for the formation of meteorite impact craters.
Even in his retirement, Eugene has been engaged in scientific inquiry. Later, Eugene was killed in a serious car accident on his way to other impact craters to study. In honor of the scientist, the craters he studied and the asteroids he later discovered, as well as the probe launched by NASA in 1996, were named "Shumek" in honor.
In order to realize and satisfy Eugene's early dream of landing on the moon, in 1998, NASA successfully launched the "Lunar Prospector", carrying part of Eugene's ashes in the probe, landing on the moon and burying him on the lunar surface.
Tombaugh
Clyde William Tombaugh, an American astronomer, discovered Pluto in 1930 based on predictions from other astronomers.
Tombaugh has always had a strong interest in astronomy since he was a child, and he once made an astronomical telescope for astronomical observation records.
At that time, astronomers had predicted that there was a ninth large planet in the solar system, but no one had found any trace of it.
Using a flash-by-vision comparator, Tang Bo compares the various parts of the starry sky photographed at different nights to find celestial bodies that have a process of movement in the background of the starry sky. In 1930, Tang Bo repeatedly compared the photos he had carefully taken, and finally discovered the "ninth great planet" that had long existed in the prophecy.
In May 1930, the mysterious planet was officially named "Pluto" (pluto, derived from roman mythology).
After Tombaugh's death, in 2006, NASA launched the "New Horizon" probe, and some of Tombaugh's ashes were led by it to the distant and mysterious planet Pluto, fulfilling his last wish to board Pluto and becoming the farthest "space tourist" for human beings to travel in the universe.
Three astronauts from the former Soviet Union
In the last century, the flight plan of the three former Soviet cosmonauts in space went through a total of 23 days, and after completing the mission, they were ready to return by aircraft. Soviet space regulations: astronauts must take off their spacesuits when they return to Earth. So the three astronauts operated the return capsule only in overalls without protective measures and implemented the spacecraft return plan.
When the spacecraft separated from the space station, the air pressure valve connecting the orbital module and the return capsule was not closed, and it was directly shaken open in space, and a large amount of air leakage in the return capsule of the aircraft was leaked, resulting in a sudden change in the normal air pressure of the cabin environment. The bodies of the three astronauts were exposed to the vacuum of space without any protection, the body was acutely hypoxic, the body fluids boiled (body fluid moisture vaporization), and it completely lost its vitality in only 40 seconds.
<h1 class="pgc-h-arrow-right" data-track="29" > results</h1>
In the exploration of the space industry, there are countless unknown people who have followed in the footsteps of the predecessors and successors, working hard to explore the origin of the universe and the birth of mankind, find ways for the sustainable and eternal development of human society, and promote the progress of human civilization. The people who paid the price in this process have made great contributions to the space industry and mankind.
Under the premise of the continuous change of the global ecological environment, in order to better protect the earth and seek new resources for human development and use, we are constantly marching into space, exploring the secrets of the universe and looking for new traces of civilization.