神十九航天员乘组安全回家

Core Points - The Shenzhou 19 manned spacecraft successfully landed at the Dongfeng landing site, with astronauts Cai Xuzhe, Song Lingdong, and Wang Haoze safely exiting the capsule after enduring high temperatures and complex terrain challenges [1][2] - The Dongfeng landing site presented unique challenges due to its varied terrain, requiring specialized equipment and technology for efficient search and rescue operations [1] - The mission reflects the thorough planning and emergency preparedness of China's manned space program, as noted by key officials [1] Group 1 - The Shenzhou 19 spacecraft re-entered the atmosphere at a speed of 7.9 km/s and withstood temperatures of 2000°C [1] - The astronauts completed a total of 183 days in orbit, conducting multiple scientific experiments across various fields [5] - The mission included three spacewalks, setting a world record for the duration of a single spacewalk [5] Group 2 - The return process involved five stages: separation, braking, re-entry, deceleration, and landing [3] - The astronauts expressed pride and happiness upon their return, emphasizing their commitment to future missions and the importance of their work for the country [3][4] - Medical evaluations were conducted post-landing to ensure the astronauts' health and readiness for future missions [4][5]