中国空间站迎“最重太空快递”！天舟九号货运飞船6.5吨物资装了啥？

Core Points - The Tianzhou-9 cargo spacecraft was successfully launched by the Long March 7 Yao-10 rocket, marking a significant achievement in China's space logistics [1] - The cargo weight of Tianzhou-9 reached approximately 6.5 tons, setting a new record for cargo transport to the space station, which will support long-term operations and astronaut residency [1] Group 1 - The Tianzhou-9 mission included two sets of upgraded extravehicular spacesuits, with an extended lifespan from 3 years and 15 missions to 4 years and 20 missions [3] - Three new cell biology experiment samples were sent aboard, focusing on bone marrow mesenchymal stem cells, heart failure cells, and humanized vascular organ models for aging research [5] - A core muscle exercise device was included in the mission, designed to prevent muscle atrophy during long-duration flights and improve astronauts' re-adaptation to gravity [6] Group 2 - The total amount of space food sent with Tianzhou-9 exceeded 1.5 tons, with nearly 30 new dishes added, increasing the total variety to over 190 and extending the food supply cycle from 7 days to 10 days [8]