Core Insights - The research led by the Zijinshan Observatory has achieved a significant milestone in high-capacity star-ground communication by utilizing a 500 GHz communication system over a distance of 1.2 kilometers, marking the first international application of a terahertz astronomical telescope system for this purpose [1][2]. Group 1: Research Achievements - The study published in the National Science Review highlights the importance of high-capacity star-ground communication for global connectivity, space remote sensing, and high-speed data transmission [1]. - The research team successfully demonstrated real-time wireless transmission of high-definition video using a 60 cm diameter terahertz telescope equipped with a quantum-limited superconducting receiver [2]. - Future potential for star-ground communication at the Snow Mountain Ranch is indicated, with projected communication rates reaching terabits per second using a 15-meter submillimeter wave telescope [2]. Group 2: Technological Advancements - Terahertz communication technology offers unique advantages such as high beam direction error tolerance and insensitivity to platform vibrations, making it suitable for high-capacity communication needs [1]. - The system utilized a low-power terahertz signal transmitter with an output of only 15 μW, showcasing the efficiency of the technology [2]. - The research received support from various national scientific and technological institutions, indicating a strong backing for advancements in this field [2].