Core Viewpoint - The Shenzhou-20 crew is set to conduct their third extravehicular activity (EVA) soon, following two successful previous EVAs, marking significant progress in China's space station development [1] Group 1: Extravehicular Activities - The Shenzhou-20 crew has successfully completed two EVAs, with the first occurring on May 22, lasting approximately 8 hours, marking the first EVA through the Tianhe core module since the application and development phase of the Chinese space station began [1] - The second EVA was completed on June 26, after which the crew managed the arrival and departure of cargo spacecraft, including the Tianzhou-8 and Tianzhou-9 [1] Group 2: Ongoing Research and Preparations - The crew has been engaged in various tasks including environmental monitoring, equipment maintenance, inventory management, and preparations for the upcoming EVA, while also advancing experiments in life sciences, microgravity physics, and new technologies [1] - The operational status of the Chinese space station is stable, and the Shenzhou-20 crew is reported to be in good physical and mental condition, fully prepared for the upcoming EVA [1]

央视网消息：经任务总指挥部研究决定，瞄准北京时间4月24日17时17分发射神舟二十号载人飞船，飞行乘组由陈冬、陈中瑞、王杰组 成，陈冬担任指令长。 航天员陈冬执行过神舟十一号、神舟十四号载人飞行任务，时隔两年再次担任指令长。陈中瑞和王杰均来自于我国第三批航天员，是首次 执行飞行任务。其中，陈中瑞入选前是空军飞行员，王杰入选前是航天科技集团有限公司空间技术研究院的工程师。目前，任务各项准备工作 正在稳步推进，执行此次发射任务的长征二号F遥二十运载火箭即将加注推进剂，神舟二十号航天员乘组将于中国航天日当天出征太空。 神舟十四号飞行乘组指令长陈东从2016年神舟十一号的33天在轨飞行，到神舟十四号的半年飞天之旅，见证了中国载人航天从中期到长期 飞行的技术跨域。如今，陈东即将开启第三次飞天之旅，他坦言有压力更有期待，希望通过这次飞行全面提升自己的任务能力，让太空中的那 抹"中国红"红得耀眼。 在位于北京的中国航天员科研训练中心，指令长陈冬正与他的乘组成员进行飞行前的最后一次模拟失重水槽出舱活动训练。虽然已经有过 两次飞行经历，3次出舱活动经验，但对于每一次训练，他都会一丝不苟认真完成好。 陈冬："第三次飞行对我的要求 ...