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回收试错是中国航天进阶必修课
Ke Ji Ri Bao· 2025-12-24 03:15
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].
科技日报:回收试错是中国航天进阶必修课
Ke Ji Ri Bao· 2025-12-24 00:21
Core Viewpoint - The recent failures in rocket recovery by Chinese aerospace highlight the inherent high-risk nature of space exploration, emphasizing the need for continued experimentation and acceptance of trial and error in advancing technology [2][3]. Group 1: Recent Events - On December 23, China launched the Long March 12A rocket, but the first stage was not successfully recovered, with the cause under investigation [1]. - Just 20 days prior, Blue Arrow Aerospace's Zhuque-3 rocket also failed during the recovery phase [1]. Group 2: Industry Context - The recent setbacks have temporarily sidelined China's reusable rocket sector, which has seen rapid development in recent years, often overshadowing the high-risk attributes of space missions [2]. - The complexity of rocket recovery is likened to "throwing a needle from tens of thousands of meters and ensuring it lands in a predetermined hole," illustrating the significant challenges faced [2]. Group 3: Future Implications - The failures expose current technical shortcomings and underscore the difficulties ahead for China's space endeavors, with flight data from these tests being crucial for overcoming challenges and mastering key technologies [3]. - Acknowledging the risks and embracing trial and error is essential for progress in aerospace exploration, as each attempt contributes to the broader understanding and capability in the field [3].
人类AI算力竞争离开地球表面进入太空,美银报告:巨头都在跟进,极具挑战性
Zhi Tong Cai Jing· 2025-12-18 07:33
Core Viewpoint - The competition for AI computing power is expanding into space, with companies like SpaceX and Blue Origin exploring space-based computing platforms as the next phase of capacity expansion [2][3]. Group 1: Space-Based Computing Platforms - The demand for data centers supporting AI is driving tech and space companies to consider space-based computing platforms for capacity expansion [3]. - Companies such as SpaceX and Blue Origin are actively pursuing opportunities in space to enhance their AI business [3]. - Startups like Starcoud, supported by NVIDIA, are deploying GPUs on satellites to train AI models in orbit, while Google plans to test its hardware and AI models in space by 2027 [3]. Group 2: Technical Challenges - The space environment poses significant technical challenges for the large-scale deployment of high-performance computing payloads [5]. - While sun-synchronous orbits provide strong solar energy, radiation in these environments can damage unshielded electronic devices, necessitating radiation-hardened computing equipment, which increases costs and payload weight [5]. - The thermal management of sensitive chips in the vacuum of space is particularly challenging, with a 1 GW orbital data center potentially requiring heat dissipation 15,000 times greater than that of the International Space Station [5]. Group 3: Launch Demand Growth - The deployment of space-based data centers is expected to increase launch demand, benefiting providers like SpaceX, Blue Origin, and Rocket Lab [6]. - The development of heavy-lift rockets, such as the Starship and New Glenn, may require hundreds of flights to fully deploy a large-scale space data center, creating ongoing launch opportunities [7]. - Even small initial deployments are likely to sustain launch demand exceeding supply, presenting opportunities for major launch providers [7]. Group 4: Impact on Space Infrastructure - The widespread deployment of space-based data centers will generate comprehensive demand for space infrastructure, including satellites, payloads, space stations, and orbital platforms [6][8]. - High-bandwidth secure data transmission required for AI applications will increase the demand for laser communication, with providers like SpaceX and Myani involved in this space [8]. - The deployment of large space assets will create opportunities for developers like Voyager Technologies and Axiom, which plans to deploy orbital data center infrastructure nodes to the International Space Station by 2027 [8].
科技日报:理性看待商业航天探索中遇到的挫折
Ke Ji Ri Bao· 2025-12-03 23:52
Core Viewpoint - The recent launch of the Zhuque-3 rocket by Blue Arrow Aerospace marks China's first attempt at orbital-level recovery verification for reusable rockets, despite the failure of the first stage recovery during landing, highlighting the challenges and complexities involved in rocket recovery technology [1][2]. Group 1: Launch and Recovery Challenges - The Zhuque-3 rocket successfully completed its flight mission, with the second stage entering the designated orbit, but the first stage experienced an abnormal burn during landing, resulting in a failed recovery test [1]. - The recovery of rockets is highly complex, requiring perfect coordination of sensors, grid fins, flight control algorithms, and variable thrust engines, with many issues only becoming apparent during real flight tests [1]. Group 2: Comparison with Global Peers - Compared to the United States, China's commercial space industry is relatively new and has a weaker technological foundation; however, the progress in developing reusable rockets is commendable [2]. - SpaceX, founded in 2002, took 13 years to master rocket recovery technology, while Blue Origin, established in 2000, achieved success with its New Glenn rocket 25 years later; in contrast, Blue Arrow Aerospace, founded in 2015, has already entered the orbital recovery testing phase with the Zhuque-3 [2]. Group 3: Industry Environment and Public Perception - The commercial space sector is an important complement to the national space team, characterized by efficiency, flexibility, low costs, and a willingness to take risks; fostering an environment that embraces failure is crucial for its development [2]. - Following the failure of the Zhuque-3 recovery test, social media reactions were largely supportive and encouraging, reflecting a public understanding of the risks associated with commercial space endeavors and confidence in national technological progress [2].
白宫可以嘴硬,但发射架从不说谎
Guan Cha Zhe Wang· 2025-07-23 01:02
Core Viewpoint - SpaceX has become an indispensable player in the U.S. aerospace industry, controlling a significant portion of the market and making it difficult for the government to reduce its reliance on the company despite political tensions with its CEO, Elon Musk [1][18][19]. Group 1: SpaceX's Dominance - SpaceX has established itself as a "space monster," dominating the U.S. launch market and holding a critical position in national security and NASA operations [1][4]. - In 2023, SpaceX conducted nearly 100 launches, capturing over half of the global launch market share, with expectations for continued growth in 2024 and 2025 [5][11]. - The company's innovative technology, such as the reusable Falcon 9 and Falcon Heavy rockets, has drastically reduced launch costs, making it the only company capable of offering competitive pricing, reliability, and launch frequency [5][7]. Group 2: Challenges for Competitors - Traditional aerospace giants like ULA (United Launch Alliance) and Boeing have struggled to compete with SpaceX due to high costs and inefficiencies, with ULA's new Vulcan rocket facing significant delays and issues [11][12]. - New entrants like Blue Origin have not yet proven their reliability, with their New Glenn rocket still in development and facing challenges [12][15]. - The U.S. government has attempted to encourage competition but has found that no other company can currently meet the high demands for reliability and rapid execution required for national security missions [15][19]. Group 3: Government's Dilemma - The U.S. government is caught in a paradox: it wants to reduce dependence on SpaceX while simultaneously relying on the company for critical missions [18][19]. - Despite political frustrations with Musk, the government recognizes that without SpaceX, many of its plans would be stalled, highlighting the company's unique position in the market [18][19]. - The relationship between SpaceX and the government resembles a reluctant partnership, where both parties are interdependent despite their grievances [18][19].