神二十“中国航天日”出征太空

Core Points - The Shenzhou-20 manned mission is scheduled for launch on April 24, 2023, at 17:17 Beijing time, with a crew consisting of Chen Dong, Chen Zhongrui, and Wang Jie [1][2] - This mission marks the fifth manned flight during the space station application and development phase and the 35th flight of the manned space program [2] - The primary objectives include crew rotation with the Shenzhou-19 crew, conducting scientific experiments, and performing extravehicular activities [2][3] Mission Details - The Shenzhou-20 spacecraft will utilize an autonomous rapid rendezvous and docking mode, docking with the Tianhe core module approximately 6.5 hours after launch [2] - The crew will stay in orbit for about six months, during which they will receive visits from the Tianzhou-9 cargo spacecraft and the Shenzhou-21 manned spacecraft [2] - The Shenzhou-19 crew is scheduled to return to Earth on April 29, 2023, after completing the crew rotation [2] Scientific Experiments - The mission will focus on three life science experiments using zebrafish, planarians, and streptomyces [3] - The zebrafish experiment aims to study the effects of microgravity on protein homeostasis and its role in bone loss and cardiovascular dysfunction [3] - The planarian experiment will investigate regeneration mechanisms, while the streptomyces study will explore microbial activity in space for potential applications [3] Lunar Mission Progress - The development of China's manned lunar mission is progressing smoothly, with various components such as the Long March 10 rocket and the Dream Chaser spacecraft undergoing initial testing [4] - Major tests for the lunar mission are being conducted, including comprehensive matching tests for the Long March 10 rocket's electrical systems [4] - Future tests will include zero-height escape tests for the Dream Chaser spacecraft and comprehensive landing and takeoff verification for the lunar lander [4] Astronaut Training - The training for the fourth batch of astronauts is proceeding as planned, with Hong Kong and Macau astronauts expected to participate in their first flight missions by 2026 [5]