Group 1 - The Shenzhou 20 astronaut crew has been in orbit for 90 days, with astronauts Chen Dong, Chen Zhongrui, and Wang Jie nearing the midpoint of their mission [1] - Today marks the third anniversary of the launch of the Wentian laboratory module, which Chen Dong witnessed during its launch [3] - The Shenzhou 20 manned spacecraft was successfully launched on April 24, 2025, by the Long March 2F Yao 20 rocket from the Jiuquan Satellite Launch Center [5] Group 2 - The Shenzhou 20 crew entered the "space home" and immediately began their work, focusing on life sciences, microgravity physics, and new space technologies during their 90-day mission [9] - Various tasks such as docking, medical rescue, emergency training, and system pressure drills are being conducted as planned [11] - Routine activities include environmental monitoring, equipment maintenance, inventory management, medical checks, and exercise [13][14] Group 3 - The crew conducted their first spacewalk on May 22, where they installed a space debris protection device and performed inspections [16][18] - This was the first time astronauts exited through the core module's node cabin, and Chen Zhongrui completed his first spacewalk [18] - On June 26, the crew successfully completed their second spacewalk, which lasted approximately 6.5 hours, enhancing the efficiency of future spacewalks by about 40 minutes [20][21] Group 4 - On July 8, the Tianzhou 8 cargo spacecraft separated from the space station, transitioning to independent flight [23] - The crew confirmed the status of the docking passage and watched the launch of the Tianzhou 9 cargo spacecraft, which delivered approximately 6.5 tons of supplies, including scientific experiment materials and space suits [25][27] - The Shenzhou 20 crew's 90-day mission has been fulfilling and exciting, with hopes for successful future work and updates from the "Tiangong" [29]

Core Viewpoint - The Shenzhou-20 astronaut crew is preparing for their second extravehicular activity (EVA) after successfully completing their first EVA on May 22, 2023, and has been engaged in various tasks related to space science and technology [1][2]. Group 1 - The Shenzhou-20 crew has completed tasks such as in-station environmental monitoring, equipment inspection and maintenance, and inventory management since their first EVA [1]. - The crew has been conducting experiments in fields such as space life sciences, human research, microgravity physics, and new space technologies [1]. - The space station assembly is operating stably, and the crew has been in orbit for two months, maintaining good physical and mental health, and is ready for the upcoming EVA [2].