Core Points - The Shenzhou 20 crew has been in orbit for two months since April 25, successfully adapting to the microgravity environment and completing multiple space science experiments and tasks [1][5][7] - The crew conducted the first-ever space regeneration experiment on planarians, exploring the effects of microgravity and radiation on their regeneration mechanisms [5] - The Shenzhou 20 crew performed their first extravehicular activity, installing a space debris protection device and conducting inspections of external equipment [5][7] Group 1 - The Shenzhou 20 crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, met with the Shenzhou 19 crew in space, marking the sixth "space rendezvous" in China's space history [3] - The two crews completed an in-orbit handover on April 27, continuing their collaborative efforts in the Chinese space station [3] - The Shenzhou 20 crew is currently in good condition, and their various space science experiments are progressing steadily [7] Group 2 - The crew has been involved in multiple projects, including studies on trust and collaboration mechanisms, visual motion gravity characterization, and microgravity relationship cognition [7] - They utilized ultrasound diagnostics to examine blood vessels and conducted various tests related to memory, strength, and heavy object handling [7] - Research on the effects of microgravity on microorganisms, specifically Streptomyces, was also conducted, focusing on growth, differentiation, and biological activity [7]

微重力物理科学领域多个实验项目持续进行中，乘组完成了流体物理实验柜及高温材料实验柜实验样品更换、抽真空排废气等多项工作。 上周，3名航天员完成了风速及温度测量、空气洁净度测试等多项环境监测工作，并对站内设备进行了例行检查维护。 此外，航天员在轨完成了药代动力学研究相关工作，积累相关数据，为后续指导在轨用药提供参考。 在航天技术试验领域，空间逆布雷顿大冷量制冷技术试验项目载荷舱内组装测试等工作按计划开展。该项目面向深空探测等后续任务需求，开展基于超高速 动压气浮轴承的逆布雷顿大冷量制冷技术的试验验证，有望提高我国空间热控技术水平，并为未来宇航任务应用提供技术支持。 神舟十九号航天员乘组的"太空出差"之旅即将进入倒计时。上周，神十九乘组稳步推进各项空间科学实（试）验，在开展站内环境监测、设备检查维护等工 作同时，积极开展健康维护。 神十九乘组利用脑电设备开展了多项实验的测试工作，地面科研人员将利用获取的数据探究重力对视觉运动信息加工过程的影响、揭示空间微重力环境中人 类对关系的认知规律及其神经基础，并探索脑波音乐干预对长期空间飞行抑制控制功能的调控作用。 "出差"近半年时间，在"太空之家"的居住及工作感受如何？乘 ...