猎户座飞船

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马斯克反对无效,美国会拨款近300亿生产传统登月火箭
Feng Huang Wang· 2025-07-02 01:10
Core Viewpoint - The U.S. Senate has approved a budget reconciliation bill that allocates an additional $10 billion to NASA's Artemis lunar program, aimed at producing more Space Launch System (SLS) rockets and constructing the Lunar Gateway space station [1][3]. Group 1: Funding and Budget Allocation - The additional $10 billion funding will be used for the production of new SLS rockets for Artemis missions 4 and 5, with approximately $4.1 billion allocated for this purpose [3]. - About $2.6 billion is designated for the completion of the Lunar Gateway space station [3]. - The funding also includes $700 million for developing a new Mars communication orbiter, $1.25 billion for extending the International Space Station's operations, and $325 million allocated to SpaceX for developing a spacecraft to safely deorbit the ISS by the end of the decade [3]. Group 2: Criticism and Controversy - Elon Musk has criticized the SLS rocket for being non-reusable, stating that each launch is akin to "blowing up a $1 billion rocket," with the actual production cost nearing $2.5 billion per rocket [2]. - The U.S. has invested approximately $24 billion in SLS production, primarily benefiting a consortium of aerospace giants, including Boeing, Aerojet Rocketdyne, and Northrop Grumman [2]. - Jared Isaacman has questioned the justification for the substantial funding during a recent Senate confirmation hearing, although he supports using SLS for the next two Artemis missions [2].
“梦舟”飞船头顶一根逃逸塔,证明了美国先进中国守旧吗?
Guan Cha Zhe Wang· 2025-06-20 00:12
Core Viewpoint - The "Dream Boat" spacecraft represents a significant advancement in China's manned lunar exploration program, with its escape system being a critical focus of recent discussions and tests [1][6][19]. Group 1: Technical Aspects of the Escape System - The "Dream Boat" spacecraft utilizes an escape tower design, which is considered the most effective method for rapid evacuation in emergencies, contrasting with the more visually striking but complex systems used by competitors like SpaceX [3][6][10]. - The escape tower allows for immediate separation from the rocket in the event of a failure, ensuring the safety of astronauts during critical moments [7][10][19]. - NASA's latest "Orion" spacecraft also employs an escape tower, highlighting that this design is not outdated but rather a reliable choice for high-stakes missions [6][17]. Group 2: Comparison with Competitors - SpaceX's "Dragon" spacecraft features a more integrated escape system that relies on active propulsion, which, while visually impressive, carries significant engineering risks and complexities [12][14]. - The "Dragon" system's reliance on high-pressure propellants and integrated components increases the potential for catastrophic failure if any part of the system malfunctions [14][15]. - In contrast, the "Dream Boat" system is designed with a focus on redundancy and safety, allowing for independent operation of the escape mechanism without compromising the spacecraft's primary functions [19]. Group 3: Strategic Considerations - The choice of an escape tower reflects a strategic decision by China to prioritize safety and reliability over aesthetic appeal, especially given the current stage of its space technology development [17][19]. - The "Dream Boat" program emphasizes a cautious approach to innovation, ensuring that new technologies are only adopted when they are fully mature and safe for human use [19]. - This philosophy underscores a broader engineering mindset in China, focusing on stability, redundancy, and control in high-risk environments like manned spaceflight [19].
美国“载人登月计划”要塌方了?
Guan Cha Zhe Wang· 2025-05-06 05:52
Core Viewpoint - The proposed budget from the White House suggests retiring the SLS rocket and the Lunar Gateway, casting doubt on the future of the Artemis program and signaling a significant shift in U.S. lunar ambitions [1][3][15]. Group 1: SLS Rocket and Lunar Gateway - The SLS rocket and Lunar Gateway were seen as essential components of the Artemis program, representing significant political and financial investments by NASA [3][5]. - The SLS rocket has faced continuous delays and budget overruns, with development costs reaching $24 billion and a per-launch cost of $4 billion, making it one of the most expensive rockets with minimal flight history [5][6]. - The political backing for SLS has been strong due to its distribution of contracts across various states, making it a "Congressional Rocket" that is difficult to cancel without significant political repercussions [6][7]. Group 2: Budget Proposal Implications - The budget proposal reflects a broader trend of budget cuts under the Trump administration, impacting NASA's ability to sustain the SLS and Lunar Gateway projects [7][15]. - The Lunar Gateway, initially envisioned as a critical hub for lunar missions, is now at risk of being abandoned due to its high costs and unclear functional benefits [10][11]. - The proposal to cut these projects indicates a potential strategic pivot towards more immediate and economically viable goals, such as Mars exploration and private space initiatives [15][16]. Group 3: Comparison with China's Lunar Program - The U.S. approach to lunar exploration has become increasingly complex, relying on multiple components like the Lunar Gateway, while China's strategy focuses on a more straightforward execution of lunar missions [19][20]. - China's lunar program emphasizes a clear and efficient path to landing and returning from the moon, contrasting with the U.S. strategy that has become bogged down in political and logistical challenges [20][21]. - The U.S. may risk falling behind in the lunar race as China's lunar missions progress steadily, highlighting the need for a reassessment of U.S. lunar ambitions and strategies [16][19].