新华全媒头条｜“观天逐日”——探秘四川稻城大科学装置

Core Insights - The article highlights the significant advancements in cosmic ray research facilitated by the LHAASO (Large High Altitude Air Shower Observatory) located in Daocheng, Sichuan, which has made key discoveries regarding cosmic ray origins and acceleration mechanisms [1][2][8] Group 1: LHAASO Overview - LHAASO is the world's highest and largest gamma-ray detection facility, built to address the long-standing mystery of cosmic ray "knee" formation [2][3] - The observatory covers an area of 1.36 square kilometers and employs nearly 10,000 advanced detectors using four different detection technologies [3][6] - The facility has successfully captured the highest energy gamma photons and confirmed the first super cosmic ray source, marking a leap in China's cosmic ray research capabilities [7][10] Group 2: Technological Innovations - The observatory's design and construction involved collaboration among over 50 research institutes, universities, and enterprises, overcoming numerous technical challenges [10] - The addition of 32 new large-scale imaging atmospheric Cherenkov telescopes is expected to enhance the observatory's spatial resolution by over five times [3][5] - The Ring Array Solar Radio Telescope, another major scientific installation in the region, has demonstrated its capability to predict solar events with high accuracy [5][10] Group 3: Research Impact - LHAASO's findings have revolutionized the understanding of cosmic rays and challenged traditional theories regarding their origins [8][9] - The observatory has recorded significant cosmic events, including the brightest gamma-ray burst to date, GRB 221009A, leading to new insights into gamma-ray bursts [7][8] - The advancements in cosmic ray research are part of China's broader strategy to enhance its scientific capabilities and achieve technological self-reliance [9][10] Group 4: Future Prospects - Daocheng is becoming a hub for major scientific installations, attracting more research projects and enhancing its capacity for sustainable development in scientific research [11] - The ongoing developments in the region are expected to further elevate China's position in deep space exploration and scientific research [11]