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]

据央视新闻报道，神舟二十号载人飞行任务新闻发布会今天（4月2 3日）上午在酒泉卫星发射 中心召开。发言人介绍，经任务总指挥部研究决定， 瞄准北京时间4月2 4日1 7时1 7分发射神 舟二十号载人飞船 。 我国将陆续在酒泉、文昌等地，组织实施梦舟飞船零高度逃逸、揽月着陆器综合着陆起飞验 证、长征十号系留点火、长征十号低空飞行及梦舟飞船最大动压逃逸等试验。 点击观看直播>> 据中国载人航天工程办公室消息，经空间站应用与发展阶段飞行任务总指挥部研究决定，执 行神舟二十号载人飞行任务的航天员乘组由 陈冬、陈中瑞、王杰 3名航天员组成，陈冬担任 指令长。 乘组包括2名航天驾驶员和1名飞行工程师，陈冬即将成为第二批航天员中首位三次飞天的航 天员，陈中瑞、王杰均为第三批航天员，即将踏上个人首飞之旅。 据央视新闻报道，发言人介绍，截至目前， 我国已顺利实施了2 0次航天员出舱活动 ，任务可 以分成4类： 我国出舱活动技术日益成熟，能力和水平不断提高， 可以说目前已经达到了国际先进水平 。 据新华社消息，我国载人登月任务各项研制工作总体进展顺利，长征十号、梦舟飞船等正按 计划开展初样研制试验工作，月球遥感卫星已完成立项和竞争 ...