Group 1: Achievements in Space Exploration - China's space station has been fully constructed and has entered the application and development phase, showcasing the country's advancements in space technology [1][2] - The Chang'e 6 mission successfully returned the first samples from the far side of the Moon, marking a significant milestone in lunar exploration [3][4] - The Tianwen-1 mission successfully completed its Mars exploration, and the Tianwen-2 mission has been launched for asteroid exploration, indicating China's commitment to deep space exploration [4] Group 2: Commercial Space Development - During the 14th Five-Year Plan, China's commercial space sector has achieved significant breakthroughs driven by policy, technology, and market forces, with over 600 commercial space companies now operating [5][6] - The successful test flight of the Zhuque-3 rocket demonstrates advancements in reusable rocket technology, which is transforming traditional single-use launch models [6] - The first commercial space launch site in Hainan has been established, enabling regular and high-frequency launches, thus completing a critical component of the commercial space industry [8]

Core Points - The China Academy of Sciences' Purple Mountain Observatory has launched two significant telescope projects aimed at enhancing China's astronomical observation capabilities [1][2] - The 4.2-meter ground-based dedicated astrometric telescope will be the largest of its kind in China and is expected to be completed by 2027, focusing on high-precision measurements of celestial bodies within the solar system [1] - The 2.5-meter multi-terminal general telescope is designed for various observational needs and is expected to be completed by 2026, supporting both natural and artificial celestial body measurements [2] Group 1 - The 4.2-meter telescope will provide critical support for China's autonomous construction and long-term maintenance of solar system celestial body catalogs [1] - It features a large aperture, low distortion imaging, high precision positioning, and deep detection limits [1] - The telescope will also serve China's space missions and deep space exploration observational needs [1] Group 2 - The 2.5-meter telescope will facilitate multi-band and multi-type precision measurements, addressing national strategic needs such as lunar space safety and space asset protection [2] - It will be the largest coaxial laser ranging telescope in China upon completion [2] - The chosen location in Qinghai province offers optimal observational conditions due to minimal light pollution and excellent seeing [2]