点击 最 下方 "在看"和" "并分享，"关注"材料汇 添加 小编微信 ，遇见 志同道合 的你 正文 可回收火箭降低了航天发射成本，同时提高了航天发射频率，突破了一次性火箭高成本导致的航天产业发展瓶颈。目前， 火箭一级回收复用技术已有成 熟应用 。 全复用火箭成为航天发展的核心趋势，由于火箭二级再入大气层温度高，隔热成为火箭二级回收的核心难点之一 。我国也在持续发展可重复利 用火箭，朱雀三号、长征 12 号甲已完成首飞，展望未来，我国运载火箭有望走向全复用。 火箭第一级复用技术成熟，全复用火箭是发展方向 火箭的回收再利用将大幅降低航天发射成本 ，实现火箭一级复用的"猎鹰" 9 号成本不到全新火箭的 1/3 。目前，火箭一级回收复用技术已有成熟应用，" SpaceX "猎鹰" 9 火箭一级复用突破 30 次，蓝色起源于 2025 年 11 月成功实现了"新格伦"火箭一级的回收。 全复用火箭成为航天发展的核心趋势，实现火箭全复用将进一步降低发射成本、提高发射频率、减少空间碎片 。在火箭一子级和整流罩回收复用 15 次的 测算下，"猎鹰" 9 每公斤发射成本约为 966 美元， SpaceX 首席执行官埃隆·马斯克 ...

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].

Core Viewpoint - The establishment of "China Aerospace Day" on April 24 commemorates the successful launch of China's first artificial Earth satellite, "Dongfanghong-1," in 1970, marking the beginning of China's exploration of the universe [1] Group 1: Upcoming Missions and Projects - The Tianwen-2 mission is set to launch in the first half of this year, focusing on asteroid exploration and sample collection [4][6] - Future missions include Tianwen-3 for Mars sample return and Tianwen-4 for Jupiter system exploration, expanding China's capabilities in deep space exploration [6][8] Group 2: Advancements in Launch Capabilities - China is accelerating the development of heavy-lift launch vehicles, specifically the Long March 9 rocket, which has a near-Earth orbit capacity of approximately 140 tons [14] - The Long March 9 will support significant missions such as crewed lunar landings and Mars sample returns, with plans for reusable configurations to reduce costs and increase efficiency [16] Group 3: Commercial Space Initiatives - The first commercial space launch site in Hainan has been established, successfully completing its inaugural mission and is set to conduct multiple commercial launches this year [20] - The National Space Administration is working on a comprehensive safety regulatory system for the commercial space industry to foster innovation while ensuring safety [20] Group 4: International Cooperation - China has signed nearly 200 space cooperation agreements with over 50 countries and international organizations, covering areas such as Earth observation and deep space exploration [22] - The National Space Administration is actively inviting international partners to participate in the Tianwen-3 mission and is promoting collaborative projects in lunar and deep space exploration [24][26]