【微特稿】日本推迟发射火箭 仍在调查上次失败原因

Group 1 - The Japan Aerospace Exploration Agency (JAXA) has postponed the launch of the H3 rocket originally scheduled for February 1 due to an ongoing investigation into the failure of the previous H3 rocket launch [1] - The H3 rocket's previous mission, H3 rocket 8, failed on December 22, 2025, when an anomaly occurred during the satellite fairing separation, leading to a premature stop in combustion due to a drop in pressure in the second stage liquid hydrogen fuel tank [1] - The H3 rocket is Japan's next-generation main launch vehicle and has faced setbacks since its first failure in March 2023 [1] Group 2 - The Quasi-Zenith Satellite System, known as Japan's version of GPS, aims to enhance satellite positioning accuracy and is designed to operate independently of foreign navigation systems [2] - The system will consist of seven satellites, with five already in orbit, providing navigation services across Japan for mobile phones and automotive systems [2]