General Secretary Xi Jinping profoundly pointed out that exploring the vast universe, developing the space industry, and building a space power are the space dreams we unremittingly pursue.

Write back to astronauts, call them, and "talk to heaven and earth" with astronauts who are performing missions in space... General Secretary Xi Jinping has always paid close attention to the development of China's space industry.

64 space launch missions were carried out throughout the year, setting a new record high; The Chinese space station was fully completed, and the dream of "Tiangong" was fulfilled; For the first time, a new mineral "Chang'e stone" was discovered on the moon, and China added another "space imprint"... In the past year, China's aerospace industry has led high-quality development with high-quality innovation, and the pace of space exploration Chinese is moving more steadily and further.

On the occasion of the eighth "China Space Day" on April 4, China's aerospace industry has been vigorously surveying the sky and exploring the sky, and marching forward bravely towards the goal of building a space power.

Extraordinary achievements: China's aerospace industry is sailing again

"Such a beautiful place, I will come again, I must come again." In 2005, astronaut Fei Junlong, who looked down on the earth in space with the Shenzhou-<> manned spacecraft, made a wish in the face of the firmament.

Years later, in orbit more than 400 kilometers above the ground, Chinese its own "space home", the Chinese space station, has been fully completed, officially opening the long-term manned mode.

On April 4, astronauts Fei Junlong and Zhang Lu, with the close cooperation of ground staff and astronaut Deng Qingming in the cabin, completed the fourth out-of-cabin activity of the Shenzhou 15 astronaut crew, setting a new record for the out-of-cabin activity of a single crew of Chinese astronauts.

While the astronauts were busy on the space station, on the coast of the South China Sea on the ground, the staff "escorted" the Long March 7 Yao-7 carrier rocket to the Wenchang Cosmodrome safely. Its "passenger" Tianzhou-6 cargo spacecraft is waiting to join hands with it to travel to Xinghan and continue the legend of the Chinese space station.

Flying from the blue planet to the vast starry sky, China's aerospace industry is striving to sail again.

On December 2020, 12, Chang'e-17 returned to Earth with 1731 grams of lunar samples, and the research on the samples was immediately in full swing.

With the approval of the China National Space Administration, since the first batch of lunar scientific research samples was released on July 2021, 7, five batches of samples have been distributed to 12 scientific research teams, with a total of 98 copies of 198.65 grams, and more than 1 achievements have been published in important academic journals at home and abroad.

"Each lunar soil is very precious, and the research team selects and calculates them one by one." Researcher Huang Zhixin, responsible for the first batch of lunar samples at CNNC's Beijing Institute of Geology, said.

It is among the 14,10 lunar sample particles that Chinese scientists isolated a single crystal particle with a radius of about <> microns and successfully deciphered its crystal structure.

The first discovery of a new mineral on the moon was named "Chang'estone". Our country has also become the third country in the world to discover new minerals on the moon.

In addition, by studying pyroxene, olivine and plagioclase minerals in the samples, scientists analyzed the origin, content and presence of water in different minerals.

Chinese scientists have found a large amount of solar wind-induced water in the surface layer of minerals in the Chang'e-5 landing area, confirming that lunar surface minerals are important "reservoirs" of water and providing an important reference for the distribution of water in latitudes on the lunar surface.

Water is the source of life. "Chang'e" found traces of water on the moon, and "Zhurong" also "looked for water" on Mars.

At the 73rd International Astronautical Congress held in Paris, France, Chinese scientists introduced that signs of water activity were found in the landing area of the Zhurong, which is geologically younger, indicating that this area of Mars may contain a large amount of usable water in the form of water-bearing minerals.

Take the sky as the disk and the stars as the son. Since ancient times, Chinese has had the dream of flying into the sky. From the naming of spacecraft, people read the Chinese romance of the millennium -

"Shenzhou" round trip, "Tiangong" completed, "Chang'e" moon exploration, "Tianwen" fire detection... A series of familiar names not only show the long history and profound humanistic care of Chinese civilization, but also highlight the scientific spirit of contemporary Chinese exploration, enterprising, truth-seeking and more firm cultural self-confidence.

On the new journey, the development of China's aerospace industry has entered the fast lane, and the pace of exploring the universe is more sonorous.

Standing tall: Aerospace scientific and technological achievements are accelerating into high-quality development and injecting new momentum

At the Jiuquan Satellite Launch Center in April, the Gobi Desert soared "wind and clouds".

Not long ago, China's first low-inclination orbital precipitation measurement satellite, Fengyun-3G Star, flew straight to Xiaohan on the Long March 4B carrier rocket at the Jiuquan Satellite Launch Center, adding "Made in China" to the global precipitation measurement satellite family.

In space, Chinese Ming "stars" shine brightly - no matter where you are, Beidou helps you navigate; Stay at home, "Fengyun" predicts the sky for you; Remote location, communication satellites help you connect the world.

Not only "standing up to the sky", but also "standing on the ground". Aerospace technology is entering thousands of households and empowering thousands of industries.

According to statistics, the number of spacecraft operating in orbit in China exceeds 600, and more than 2000,<> aerospace technology achievements serve the national economy and people's livelihood, playing a key role in important fields such as land, surveying and mapping, environmental protection, and emergency rescue.

"At present, China's remote sensing satellite application has entered a new stage, agriculture, natural resources, ecological environment, water conservancy, forestry and grassland and other key industries have been transferred from demonstration applications to main business services, and remote sensing satellites have become an indispensable means to promote the modernization of the national governance system and governance capacity." Zhao Jian, director of the Earth Observation and Data Center of the China National Space Administration, said.

How do advanced achievements in the aerospace field promote local high-quality development? The answer can be found in Hefei, Anhui Province, where the main event of China Space Day 2023 is held.

Zhang Yawei, deputy director of the General Office of the Anhui Provincial Government, introduced that the world's first quantum science experiment satellite "Micius", the first domestic commercial SAR satellite "Haise-1", the first star of the Tianxian Constellation "Chaohu No. 1" and other satellites have promoted the aerospace information industry in Anhui Province from scratch and from small to large.

Today, Anhui Province has formed an industrial cluster driven by Hefei and Wuhu, driven by Aerospace Vision and China Science and Technology Star Map, gathering more than 110 upstream and downstream enterprises and R&D institutions, highlighting the development trend of thick accumulation and strong kinetic energy.

In this spring of prosperity, once the seeds of innovation are sown, they will quickly take root and germinate.

Not long ago, the 2023 Advanced Technology Achievements Trading Conference was held in Suzhou, Jiangsu Province, and since the Yangtze River Delta Transformation Center for Advanced Technology Achievements was settled for more than a year, 132 projects have been implemented, injecting new momentum into high-quality development.

"We explore the transformation path of achievements that combines effective markets and promising governments, and hope to play a certain role in the transformation of achievements nationwide." Zhang Kejian, director of the China National Space Administration, said that he expects all parties to work together to gather advanced technologies, cultivate professional teams, respect market laws, make good use of capital power, continue to tap and release the potential of advanced technology achievements, and make new and greater contributions to accelerating the realization of high-level scientific and technological self-reliance and self-improvement.

Dreams as horses: Accelerate the construction of a space power

"Unlike the Sky and Core Module, the sleep direction in the Tianhe experimental module is longitudinal." At the "Tiangong Classroom", astronaut Liu Yang "flew" in the space station while giving lectures to children.

On the other side, in the classroom on the ground, teachers and students exclaimed. Immersive popular science experience makes dreams no longer far away.

The flying dream never loses weight, and the tension of the scientific dream is infinite. During this year's Spring Festival, the movie "The Wandering Earth 2" was released, and many of the sci-fi scenes in the film were breathtaking.

The progress of major aerospace projects has laid a good soil and environment for the prosperity of aerospace culture and artistic creation. Only by lighting up the dream of space and doing a good job in popularizing science can we continue to gather the majestic power of building a space power.

On April 4, in the Second Institute of China Aerospace Science and Industry Group located in the western suburbs of Beijing, accompanied by the pleasant singing of the students of the Beijing Yuquan Primary School Children's Choir, academician representatives, craftsmen of major countries, young astronauts, teachers and students of primary and secondary schools gathered together to celebrate the upcoming eighth "China Space Day", and released the latest series of books "Chasing Dreams in the Sky" and "Sword in the Sky".

In recent years, space-themed cultural and artistic film and television works have continued to emerge, the aerospace cultural tourism industry has developed and expanded, and a large number of aerospace science books and aerospace science courses have been deeply loved. During this year's Space Day, a series of popular science activities are more interesting.

"We will hold a series of activities such as space open days, popular science lectures, knowledge competitions, and relevant exchanges and seminars." Lu Bo, deputy director of the System Engineering Department of the National Space Administration, said that relevant space exhibition halls and space facilities will be opened to the public and college, middle and primary school students, and a group of academicians and experts will enter the campus to give popular science lectures for young people.

Poor reason to know, reverse to practice. Generations of astronauts have worked hard, and a group of people who have served the country have taken their dreams as their horses.

Since ancient times, China has had the philosopic idea of "the unity of heaven and man", focusing on the fact that human beings, the universe and nature should be closely related and harmoniously unified.

Tsiolkovsky, the founder of modern astronautics and rocket theory, also said: "The earth is the cradle of mankind, but human beings cannot live in the cradle forever." ”

Looking to the future, mankind will one day step out of the Earth-Moon system and into the interplanetary world. China will uphold the concept of "harmony" of peace and cooperation and unite to embark on a new journey.

Zhang Kejian said that China will continue to implement the lunar exploration project, launch the "Chang'e-6" probe, complete the sampling and return of the lunar polar region, launch the "Chang'e-7" probe, complete the high-precision landing and shadow crater leap detection in the lunar polar region, complete the key technical research of the "Chang'e-8" mission, and jointly carry out the construction of the international lunar scientific research station with relevant international organizations and international partners.

Exploring the vast universe, China's gaze is not limited to the moon -

Implement planetary exploration projects, launch asteroid probes, complete near-Earth asteroid sampling and main-belt comet detection, complete key technical research such as Mars sampling and return, Jupiter galaxy exploration, and demonstrate implementation plans such as solar system marginal exploration... Major space mission projects facing the frontier are advancing in an orderly manner.

"Look up at the vastness of the universe and look down at the prosperity of the category." The Chinese nation's dream of flying for thousands of years is being realized little by little in the continuous struggle of astronauts, and the aerospace spirit accumulated by it is like a bright star, which will surely inspire countless visitors to ask questions about the sky and explore non-stop.

Text reporters: Li Yabiao, Hu Zhe, Song Chen, Xu Haitao, Wu Huijun

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