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不让中国先登月,美国有这个本事吗?
Guan Cha Zhe Wang· 2025-09-14 01:16
Core Viewpoint - The article discusses the renewed focus on the lunar exploration competition between the United States and China, highlighting the differences in their approaches and the implications for future space exploration [1][16]. Comparison of Lunar Exploration Plans - The U.S. relies on a complex system involving the SLS heavy-lift rocket and the Orion spacecraft, requiring multiple in-orbit refueling operations, which adds complexity and potential delays [4][8]. - In contrast, China's plan involves a simpler "dual rocket integration" approach using two Long March 10 rockets to send a crewed spacecraft and lunar lander into orbit, allowing for a more straightforward mission structure [7][12]. - The Apollo program was characterized by a single Saturn V rocket delivering all components in one go, which, while effective, was costly and limited in sustainability [6][10]. Progress and Risk Analysis - The U.S. aims to conduct the Artemis II mission in 2026 and Artemis III by 2027, but faces significant delays due to technical challenges and high costs, with each SLS launch exceeding $4 billion [10][14]. - China's timeline for a crewed lunar landing is set for before 2030, with steady progress on the Long March 10 and associated technologies, indicating a more manageable risk profile [11][12]. Cost and Sustainability - The Apollo program's limited missions highlight the financial unsustainability of high-cost lunar missions, while the Artemis program's complexity raises concerns about its long-term viability [14][16]. - China's approach, with lower costs and a clearer path to execution, suggests a potential for more frequent lunar missions and sustainable exploration efforts [12][16]. Future Implications - The competition is shifting from merely reaching the moon to establishing a sustainable presence, with China already planning for lunar base construction while the U.S. debates the necessity of a lunar gateway [16]. - The ability to transition from concept to reality in lunar base development will determine strategic advantages in future deep space exploration [16].
10米级不锈钢贮箱,是中国对星舰式体系的正面回应
Guan Cha Zhe Wang· 2025-05-01 01:37
Core Viewpoint - The successful development of China's first 10-meter diameter stainless steel storage tank prototype marks a significant leap in the country's heavy rocket manufacturing capabilities, positioning it to compete in the next generation of space exploration and heavy lift systems [1][3][12]. Group 1: Technical Significance - The 10-meter diameter represents a critical threshold in rocket design, as larger storage tanks are essential for heavy rockets, which are necessary for ambitious space missions such as lunar bases and Mars exploration [3][5]. - The introduction of stainless steel as a material for the storage tank signifies a shift in manufacturing philosophy, offering advantages in strength, cost, and reusability compared to traditional aluminum alloys [5][6]. - The prototype is not designed for current rockets but is intended for the next generation of heavy rockets, specifically the Long March 9, which aims to be a reusable system with significant thrust capabilities [6][12]. Group 2: Competitive Landscape - The development of the 10-meter storage tank is a strategic move for China to establish a foothold in the competitive landscape of super heavy rockets, where the U.S. has already made significant advancements with NASA's SLS and SpaceX's Starship [12][13]. - The global race for super heavy rockets is intensifying, with the U.S. focusing on high-reliability systems and commercial deep space capabilities, while China aims to leapfrog existing technologies by directly entering the super heavy and reusable rocket domain [12][15]. - The ability to manufacture large-diameter, modular, and high-temperature resistant structures is crucial for achieving high-frequency, low-cost space launches, which is the future of space transportation [15][16]. Group 3: Industrial Implications - The 10-meter stainless steel storage tank prototype is not merely a component but represents a foundational shift in China's space manufacturing logic, indicating a move towards a more industrialized approach to rocket production [17]. - The successful creation of this prototype demonstrates China's readiness to develop the necessary infrastructure and capabilities to support the next generation of space vehicles, which is essential for maintaining competitiveness in the global space race [16][17]. - The focus on building a robust manufacturing system capable of producing large components is a critical step towards achieving the goal of high-frequency space launches, which will be vital for future missions [15][17].