“中国天眼”找到快速射电暴起源关键证据

Core Insights - The research team led by the Chinese Academy of Sciences has captured the detailed evolution of the Faraday rotation measure (RM) of a repeating fast radio burst (FRB), providing key observational evidence for the hypothesis that FRBs originate from binary star systems [1][2] Group 1: Research Findings - The team monitored the repeating fast radio burst FRB 20220529 for over two years, concluding that it likely originates from a binary star system [2] - The observed Faraday rotation measure increased by 20 times and then rapidly decreased, indicating the passage of a dense magnetized plasma cloud, which aligns with the intense activity expected in a binary star system [2] Group 2: Technological Advancements - The Five-hundred-meter Aperture Spherical Telescope (FAST) is the world's largest single-dish radio telescope, contributing significantly to various fields including gravitational wave detection and pulsar searches since its operation began [2] - FAST is set to undergo upgrades, including the construction of several medium-sized antennas to form a giant aperture array, enhancing spatial resolution and observational sensitivity [2][3] Group 3: Broader Implications - The advancements in FAST and its research outputs reflect China's commitment to achieving high-level technological self-reliance and strengthening its position in the field of radio astronomy [2]