“太空快递”已打包 舱外航天服即将“上新” | 天舟九号近日择机发射

Core Points - The Tianzhou-9 cargo spacecraft is scheduled for launch, with preparations underway at the Wenchang Space Launch Site [1] - The spacecraft will deliver approximately 6 tons of supplies, including life support materials for the Shenzhou-20 and Shenzhou-21 crews, new extravehicular suits, and scientific payloads [3][5] - The new extravehicular suits have an extended design life from 3 years and 15 uses to 4 years and 20 uses, enhancing safety and reliability [3][5][7] - The Long March 7 rocket, which will launch the Tianzhou-9, is a new generation of reliable, safe, and environmentally friendly medium-lift launch vehicle [9] Group 1 - The Tianzhou-9 cargo spacecraft is being prepared for launch, with the Long March 7 rocket already in position [1] - The launch will include 6 tons of supplies, including life support materials and scientific experiments [3] - The new extravehicular suits have improved design specifications, extending their operational lifespan [3][5] Group 2 - The Long March 7 rocket is designed for high reliability and safety, with a total length of 53.1 meters and a diameter of 3.35 meters [9] - This launch marks the 10th flight of the Long March 7 rocket, which has successfully completed previous missions for the Tianzhou series [9] - The rocket will include a backup vehicle to meet emergency launch requirements for manned space missions [9]