中国天眼再升级！FAST将建成巨型综合孔径阵列

Core Viewpoint - The article highlights China's efforts to enhance its leading position in the field of low-frequency radio astronomy through the upgrade of the Five-hundred-meter Aperture Spherical Telescope (FAST) [1][3] Group 1: Upgrade Plans - The FAST project is set to implement an upgrade plan that includes the construction of dozens of medium-sized antennas around the FAST facility, creating a giant integrated aperture array centered on FAST [1] - This innovative design aims to overcome the inherent limitations of single-dish telescopes in spatial resolution while improving observational sensitivity [3] Group 2: Scientific Impact - Upon completion of the upgrades, FAST is expected to become a more powerful "cosmic super probe," aiding scientists in understanding the origins of fast radio bursts and addressing long-standing astrophysical challenges such as the Hubble constant crisis and the missing baryonic matter problem [3] - The enhancements will further solidify China's international leadership in radio astronomy and advance the country's research in this field to higher levels and deeper insights [3]