回收试错是中国航天进阶必修课

Group 1 - The core viewpoint of the articles highlights the recent failures in China's space launch attempts, specifically the unsuccessful recovery of rocket stages, which underscores the inherent high-risk nature of space exploration [2][3]. - The Long March 12 rocket's launch on December 23 faced a failure in stage recovery, following a similar setback with Blue Arrow Aerospace's Zhuque-3 rocket just 20 days prior, indicating a trend of challenges in reusable rocket technology [1][2]. - The complexity of rocket recovery is emphasized, comparing it to the difficulty of accurately dropping a needle from several kilometers high, which involves precise control of various technical parameters [2]. Group 2 - The recent failures in rocket recovery reveal significant technical shortcomings and highlight the challenges that lie ahead for China's space industry, which is striving to reduce costs associated with space access [3]. - The industry recognizes that the high difficulty and failure rates of rocket recovery are common challenges globally, with only a few rockets, such as SpaceX's Falcon 9 and New Glenn, having successfully completed this task after extensive trial and error [2]. - The articles advocate for a realistic approach to space exploration, emphasizing the importance of accepting risks and learning from failures as essential steps in advancing China's space capabilities [3].