【科技日报】我国两台太阳系天体观测望远镜建设启动

Core Points - The China Academy of Sciences' Purple Mountain Observatory launched two significant telescope projects aimed at enhancing the precision measurement of celestial bodies within the solar system [1][2] - The 4.2-meter ground-based dedicated celestial measurement telescope is the largest of its kind in China and is expected to be completed by 2027, focusing on high-precision measurements of faint celestial bodies [1] - The 2.5-meter multi-terminal general telescope is designed for various observational needs and is projected to be completed by 2026, serving national strategic requirements such as space safety and asset protection [2] Group 1 - The 4.2-meter telescope features large aperture, low distortion imaging, high precision positioning, and deep detection limits, supporting the autonomous construction and long-term maintenance of China's solar system celestial catalog [1] - The 2.5-meter telescope will conduct multi-band and multi-type precision measurements of both natural and artificial celestial bodies, complementing the efforts of the 4.2-meter telescope [2] - Both telescopes will work in tandem to provide comprehensive mapping of various moving celestial bodies within the solar system, with the 4.2-meter telescope focusing on distant and faint objects while the 2.5-meter telescope targets closer and faster-moving entities [2]