The space station is the "home" of astronauts in space, and it is not attached to any part of the earth, but constantly changes its position with the rotation of the earth and its revolution around the sun.
There are currently three main countries that have space stations, including China, Russia, and the United States.
China's space station is known as the "Tiangong Space Station" and is designed, built, and operated independently by China. It includes multiple modules such as the core module, the experimental module, the cargo spacecraft and the manned spacecraft, which can carry out various scientific experiments and technical verification, and provide support for China's manned space industry and deep space exploration.
The orbital altitude of China's space station is 400-450 kilometers, the inclination angle is 42-43 degrees, the design life is 10 years, the long-term residence of 3 people, and the maximum can be expanded to a 180-ton six-module combination for large-scale space applications. It was born in Tianjin, and is mainly responsible for the **, testing and testing tasks of ultra-large spacecraft such as China's space station.
In addition, there is a space environment ground simulation device called the "ground space station", which is located in the Science and Technology Innovation City of Harbin New Area, Heilongjiang Province, and is built by Harbin Institute of Technology and China Aerospace Science and Technology Corporation. The device will build a basic scientific research platform on the earth similar to the real cosmic space environment, which is equivalent to building a "space station" on the earth.
The Russian space station is mainly part of the "International Space Station", which is built by a number of countries in cooperation, including Russia, the United States, the European Space Agency, Japan, Canada and many other countries and organizations. Russian cosmonauts have carried out a large number of scientific experiments and technical verification on the ISS, while also contributing to the operation and maintenance of the ISS.
The main space stations in the United States are the decommissioned Skylab and the operating International Space Station. Skylab is a space station built by the United States in the 70s of the 20th century and has been decommissioned. The International Space Station is built by a number of countries, and the United States is one of its important partners.
In addition to this, other countries such as Japan, Canada, and the European Space Agency are also involved in the construction and operation of the ISS, but have not built their own space stations independently. In general, the construction and operation of the space station requires huge financial and technical support, which only a few countries are currently able to do independently.
What does the space station do?
The role of the space station is very extensive, it is not only an important platform for mankind to carry out space scientific research and technological development, but also a base and support platform for manned space activities, and an important place for cutting-edge scientific exploration, human survival and space activities.
First of all, the space station provides a unique experimental environment for scientists, where they can conduct a variety of scientific experiments and research that cannot be carried out on the ground, such as life science, physical science, astronomy and other fields, so as to promote human understanding of the universe and the progress of science and technology.
Secondly, the space station is also a base and support platform for manned space activities, which can be used as a place for astronauts to stay in space for a short or long time, providing security for their life and work in space. At the same time, the space station can also be used as a transit station, gas station, transfer station, and ** station to the moon, Mars and other major planets to provide support for deep space exploration.
In addition, the space station can also support various technical experiments and new technology verification, such as communications, solar energy, space propulsion, earth remote sensing, etc., laying the foundation for the development and application of future space technology. At the same time, the space station can also serve as a platform for international cooperation and sharing, promote exchanges and cooperation between different countries, and promote the development of global space exploration.
What is the significance of human space exploration?
First, space exploration expands human horizons and cognition. By observing and studying the universe, we learn more about the world beyond Earth, including the origin and evolution of the solar system, the Milky Way, the universe, and the Earth. This understanding of the universe not only allows us to better understand ourselves, but also advances science and technology.
Second, space exploration has promoted the development of science and technology. Space exploration requires the support of various high-tech technologies, such as rocket launch technology, spacecraft design, space exploration instruments and communication technology. The R&D and application of these technologies have not only promoted the development of space exploration itself, but also brought innovation and development in other fields, such as satellite communication technology, satellite navigation systems and space manufacturing technology.
Third, space exploration also plays an important role in promoting economic development. Space exploration can create jobs, promote industrial development, promote technological innovation, and inject new impetus into economic development. For example, the application of satellite navigation systems in transportation, agriculture, environmental protection and other fields has brought huge economic benefits.
In addition, space exploration has important political and international relations implications. Space exploration is an undertaking for all mankind, which requires the concerted cooperation of all countries to promote global transformation and development, enhance cultural exchanges and world peace. Space exploration projects can also serve as a platform for international cooperation, promote cooperation and exchanges between different countries, and enhance international understanding and friendship.
Finally, space exploration has also stimulated the spirit of human exploration. Space exploration is a challenging and uncharted field that requires people to transcend their own limitations and challenge unknown boundaries. This spirit of exploration not only drives the development of space exploration itself, but also inspires people to pursue innovation and progress in other fields.
Conclusion: The space station is an important milestone and landmark achievement of human space exploration, a key component of manned space activities, an important platform for scientific research and technical verification, and an important platform for promoting science, technology and international cooperation. With the advancement of technology and humanity's desire for space exploration, the role and importance of the space station will continue to grow in the future.