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美发射三枚新探测器 研究太阳风与空间天气
Xin Hua She· 2025-09-26 01:30
新华社洛杉矶9月24日电(记者谭晶晶)美国航天局24日与美国国家海洋和大气管理局联合发射三 枚空间探测器,旨在研究太阳风和空间天气对地球及太阳系的影响。 这三枚探测器包括美航天局的星际测绘与加速探测器(IMAP)、卡拉瑟斯地冕天文台以及美国家 海洋和大气管理局的空间天气跟踪观测卫星SWFO-L1。 美国东部时间24日7时30分,这三枚探测器搭乘美太空探索技术公司"猎鹰9"号火箭从佛罗里达州肯 尼迪航天中心升空,将飞往第一拉格朗日点。该点位于地球和太阳之间,距离地球约160万公里,是空 间观测和探索的重要位置。预计探测器将于明年1月抵达该目的地。 据美航天局介绍,这三项任务将分别聚焦太阳风及空间天气的不同影响,以帮助科学界更好地了解 太阳对地球宜居性的作用,绘制太阳系空间分布图,并提升应对空间天气对卫星、宇航员和航空飞行等 造成潜在威胁的能力。 据介绍,IMAP任务将重点研究太阳风层边界区域及其与邻近星系的相互作用,并实时监测太阳风 和高能粒子。相关数据将有助于模拟和提升对空间天气影响的预测能力,从而预防因太阳风暴引发的电 网中断、卫星失效等问题。 卡拉瑟斯地冕天文台是一颗小型卫星,以美国太空物理学家乔治·卡拉 ...
美发射三枚新探测器
中国能源报· 2025-09-25 10:44
美国发射三枚空间探测器,旨在研究太阳风和空间天气对地球及太阳系的影响。 美国航天局当时时间9月24日与美国国家海洋和大气管理局联合发射三枚空间探测器,旨 在研究太阳风和空间天气对地球及太阳系的影响。 这三枚探测器包括美航天局的星际测绘与加速探测器(IMAP)、卡拉瑟斯地冕天文台以 及美国家海洋和大气管理局的空间天气跟踪观测卫星SWFO-L1。 美国东部时间2 4日7时30分,这三枚探测器搭乘美太空探索技术公司"猎鹰9"号火箭从佛 罗里达州肯尼迪航天中心升空,将飞往第一拉格朗日点。该点位于地球和太阳之间,距离 地球约160万公里,是空间观测和探索的重要位置。预计探测器将于明年1月抵达该目的 地。 据美航天局介绍,这三项任务将分别聚焦太阳风及空间天气的不同影响,以帮助科学界更 好地了解太阳对地球宜居性的作用,绘制太阳系空间分布图,并提升应对空间天气对卫 星、宇航员和航空飞行等造成潜在威胁的能力。 据介绍,IMAP任务将重点研究太阳风层边界区域及其与邻近星系的相互作用,并实时监 测太阳风和高能粒子。相关数据将有助于模拟和提升对空间天气影响的预测能力,从而 预防因太阳风暴引发的电网中断、卫星失效等问题 。 卡拉瑟斯地 ...
美发射三枚新探测器 研究太阳风与空间天气
Xin Hua She· 2025-09-25 03:19
新华社洛杉矶9月24日电(记者谭晶晶)美国航天局24日与美国国家海洋和大气管理局联合发射三枚空 间探测器,旨在研究太阳风和空间天气对地球及太阳系的影响。 这三枚探测器包括美航天局的星际测绘与加速探测器(IMAP)、卡拉瑟斯地冕天文台以及美国家海洋 和大气管理局的空间天气跟踪观测卫星SWFO-L1。 美国东部时间24日7时30分,这三枚探测器搭乘美太空探索技术公司"猎鹰9"号火箭从佛罗里达州肯尼迪 航天中心升空,将飞往第一拉格朗日点。该点位于地球和太阳之间,距离地球约160万公里,是空间观 测和探索的重要位置。预计探测器将于明年1月抵达该目的地。 SWFO-L1是美国家海洋和大气管理局专门用于空间天气观测的卫星,将实时监测太阳活动和太阳风, 为预防可能影响地球的破坏性空间天气事件提供实时数据和预警信息。(完) 据介绍,IMAP任务将重点研究太阳风层边界区域及其与邻近星系的相互作用,并实时监测太阳风和高 能粒子。相关数据将有助于模拟和提升对空间天气影响的预测能力,从而预防因太阳风暴引发的电网中 断、卫星失效等问题。 卡拉瑟斯地冕天文台是一颗小型卫星,以美国太空物理学家乔治·卡拉瑟斯命名,将在第一拉格朗日点 持续观 ...
马斯克的Optimus机器人稳了吗
首席商业评论· 2025-09-21 04:10
Core Viewpoint - Tesla's Optimus robot aims to achieve advanced capabilities in walking and performing complex tasks, but faces significant challenges in motion control, task generalization, and reliability [3][10][12] Group 1: Current Status of Optimus - As of January 2024, Optimus demonstrated limited capabilities, such as folding clothes and interacting with crowds via remote control, which has drawn criticism from the industry [3][10] - Compared to domestic competitors, Tesla's Optimus does not show significant advantages in walking or grasping abilities [3][10] - Tesla's strength lies in its comprehensive in-house development and vertical integration, with all 28 joints of Optimus designed as integrated electric drive modules [3][5] Group 2: Technological Advancements - Tesla utilizes its own 4680 cylindrical battery cells and self-developed Battery Management System (BMS), while many startups rely on third-party batteries [5][10] - The third generation of Optimus has seen exponential growth in generalization capabilities, shifting from motion capture and remote control data collection to using human videos for training [7][10] Group 3: Challenges Ahead - Current 2D video data is insufficient for training embodied models, which require more complex multimodal data for better generalization and task success rates [10][12] - The existing dexterous hands struggle with complex physical scenarios, indicating a need for higher quality and more comprehensive data [10][12] Group 4: Market and Future Outlook - Critics argue that Tesla's ambitious AI and robotics plans lack concrete support, with some viewing them as a means to maintain stock prices amid declining sales [12][19] - Tesla's future growth targets are ambitious, requiring a compound annual growth rate of 26% to reach a market value of $7.5 trillion, which includes delivering 1 million robots and 1 million robotaxis [18][19] - Recent stock purchases by Elon Musk have positively impacted Tesla's stock price, reflecting investor confidence in his leadership and vision for the company [19][20]
国内商业航天液体火箭天龙三号一级动力系统海上试车成功
Huan Qiu Wang Zi Xun· 2025-09-16 05:04
Core Insights - Tianbing Technology successfully conducted a test of the Tianlong-3 large liquid launch vehicle's first-stage propulsion system, setting a new domestic record for thrust in commercial aerospace liquid rocket engines [1][3] - The Tianlong-3 rocket is expected to complete its maiden flight by the end of this year and aims for over 30 launches annually, marking a significant step towards regular commercial launches [3][8] Group 1: Technical Achievements - The Tianlong-3 is China's first commercial rocket capable of carrying over 20 tons to low Earth orbit, with a total length of 72 meters and a launch weight of approximately 600 tons [4][8] - The rocket's first stage features nine Tianhuo-12 engines, with a payload capacity of 17-22 tons for low Earth orbit and 10-17 tons for sun-synchronous orbit, comparable to SpaceX's Falcon 9 [4][8] - The recent test covered the entire launch process, validating multiple new technologies, including a liquid nitrogen heating and pressurization system that reduces system weight by over 50% and costs to one-tenth of previous designs [6][9] Group 2: Industry Impact - The successful test reinforces the effectiveness of China's aerospace zeroing mechanism, leading to 127 reliability improvements and a more rigorous ground verification system [7] - The Tianlong-3's capabilities are expected to transform the competitive landscape of China's commercial aerospace industry, shifting from small-scale, customized satellite launches to large-scale, standardized constellation deployments [8][9] - The rocket's design emphasizes high reliability and low cost, utilizing 3D printing for 90% of engine components, significantly reducing production time and costs [9][10] Group 3: Future Developments - Tianbing Technology is establishing dedicated launch facilities to support high-frequency launches, with plans for a second specialized launch site [3][10] - The company has developed a comprehensive aerospace manufacturing system, capable of producing 30 Tianlong-3 rockets and 20 Tianlong-2 rockets annually, enhancing its competitive advantage in the market [10]
太空旅游何时成行
Jing Ji Ri Bao· 2025-09-13 22:11
Core Viewpoint - The establishment of China's first commercial spaceflight propulsion system testing platform marks a significant step towards the realization of space tourism, with the launch of the reusable "Lihong" series spacecraft aimed at providing space tourism services by 2028 [1][3]. Group 1: Challenges in Space Tourism - The transition from concept to norm in space tourism faces three major challenges: the development of reusable launch vehicles, ensuring life support systems for crew safety, and controlling costs [1][2]. - Developing reusable launch vehicles is crucial for reducing costs, but involves complex challenges in materials science, propulsion technology, and control engineering [1]. - Life support systems must be fail-safe due to extreme conditions in space, and any oversight could lead to catastrophic outcomes [2]. - Cost remains a significant barrier, with current prices for space travel being prohibitively high, such as SpaceX's $55 million for orbital travel and Virgin Galactic's $450,000 for suborbital flights [2]. Group 2: Market Potential and Support - Despite the challenges, the space tourism industry shows promising prospects, with companies like Virgin Galactic and Blue Origin already conducting suborbital flights, and SpaceX sending tourists to the International Space Station [3]. - Increased policy support in China is fostering the growth of commercial rocket and satellite companies, with commercial spaceflight being recognized as a new growth engine in government reports [3][4]. - Predictions suggest that the global space tourism market could reach $300 billion by 2030, with China potentially accounting for over 30% of this market [4]. Group 3: Future Outlook - The successful realization of space tourism requires continuous technological optimization, significant cost reductions, and the establishment of regulatory standards [4]. - The industry is expected to evolve from being an exclusive experience for the wealthy to a more accessible market, as ongoing developments in technology and infrastructure progress [4].
星舰“通关”第十次试飞,马斯克发文道贺但压力仍在
2 1 Shi Ji Jing Ji Bao Dao· 2025-08-27 05:24
Core Viewpoint - SpaceX's Starship successfully completed its 10th test flight, achieving multiple objectives after previous failures, marking a significant step forward for the company's space ambitions [1][2][3] Group 1: Test Flight Details - The 10th test flight of Starship took place on August 24, 2025, after two prior cancellations due to ground system issues and weather risks [3] - Starship is designed to be the most powerful rocket ever, measuring approximately 120 meters in length and 9 meters in diameter, with a reusable configuration capable of carrying about 150 tons [3] - The flight objectives included controlled splashdown of the booster in the Gulf of Mexico, successful deployment of payloads, and controlled splashdown of the spacecraft in the Indian Ocean, with nearly all goals achieved [3][4] Group 2: Significance and Challenges - The success of this test flight is crucial for SpaceX, as it impacts confidence from NASA regarding the Artemis lunar program and other clients [6][7] - SpaceX's rapid iteration development approach has led to a high failure rate in previous test flights, with the company facing significant technical challenges due to the complexity and size of Starship [7] - The timeline remains tight for SpaceX, as NASA plans to use the lunar version of Starship by 2027, necessitating multiple unmanned tests before crewed missions [7]
“中国版星链”三线出击
21世纪经济报道· 2025-08-22 02:37
Core Viewpoint - SpaceX is leading the global low Earth orbit satellite internet market, with significant advancements in satellite deployment and a competitive landscape emerging, particularly from Chinese companies aiming to establish their own satellite constellations [2][3][9]. Group 1: SpaceX's Dominance - SpaceX has conducted over 290 Starlink-specific launch missions, deploying a total of 9,440 satellites, with over 8,100 currently in orbit, making it the largest and fastest satellite constellation project globally [2]. - In 2024, SpaceX's SLC-40 launch site is expected to launch 62 Falcon 9 rockets, accounting for 45% of its total launches, with two-thirds of these dedicated to Starlink missions [1][2]. Group 2: China's Response - Chinese companies are rapidly advancing in the low Earth orbit satellite internet sector, with significant projects like the GW constellation and the Qianfan constellation, which aim to deploy thousands of satellites [3][8]. - The China Satellite Network Group has completed five satellite internet launches in just 21 days, marking a significant increase in launch frequency and demonstrating the country's commitment to building its satellite infrastructure [6][8]. Group 3: Market Dynamics - The global active satellite count has surpassed 12,000, with over 8,100 being low Earth orbit satellites, indicating a strong trend towards large-scale deployment [6]. - The commercial space sector is still in its early stages, but the market potential is vast, with estimates suggesting the space economy could reach $1.79 trillion by 2035 [16]. Group 4: Frequency and Orbit Resource Competition - The competition for frequency and orbital resources is intensifying, with the International Telecommunication Union (ITU) requiring satellite operators to deploy a significant percentage of their satellites within specific timeframes [11][12]. - China's satellite network initiatives must accelerate to secure frequency and orbital rights before other countries fill these valuable resources [13][14]. Group 5: Technological and Manufacturing Advances - The development of reusable rockets is crucial for reducing launch costs, with SpaceX leading in this area, achieving significant cost reductions through its Falcon 9 rocket [17][18]. - Chinese companies are also making strides in satellite manufacturing, with new production methods allowing for the mass production of satellites, significantly improving efficiency and reducing costs [19][20].
“中国版星链”三线出击
2 1 Shi Ji Jing Ji Bao Dao· 2025-08-21 12:45
Core Viewpoint - SpaceX is leading the global low Earth orbit satellite internet market with significant advancements in satellite deployment and launch frequency, while Chinese companies are rapidly catching up in the space infrastructure race [2][6][9]. Group 1: SpaceX's Dominance - SpaceX has conducted over 290 Starlink-specific launch missions, deploying a total of 9,440 Starlink satellites, with over 8,100 currently in orbit, making it the largest and fastest satellite constellation project globally [2]. - In 2024, SpaceX's SLC-40 launch site is expected to launch 62 Falcon 9 rockets, accounting for 45% of its total launches, with two-thirds of these dedicated to Starlink missions [1][2]. Group 2: China's Rapid Development - Chinese companies, including Hongqi Technology and Galaxy Space, are accelerating their efforts to establish a "Chinese version of Starlink," focusing on rapid launches, frequency allocation, and commercial viability [2][4]. - Between July 27 and August 17, 2025, China successfully launched multiple groups of low Earth orbit satellites, achieving a record of five launches in 21 days [4][5]. Group 3: Market Trends and Projections - The global active satellite count has surpassed 12,000, with over 8,100 being low Earth orbit satellites, indicating a strong trend towards large-scale deployment [3]. - The space economy is projected to reach $1.79 trillion by 2035, with the low Earth orbit satellite market expected to grow from $15 billion in 2024 to $108 billion by 2035, reflecting a 20% annual growth rate [11]. Group 4: Technological and Industrial Advancements - The development of low-cost satellite manufacturing capabilities and efficient production processes is crucial for the rapid deployment of satellite constellations [5][14]. - Companies like Galaxy Space are integrating advanced manufacturing techniques to enhance satellite production efficiency, aiming for a production capacity of 100 to 150 medium satellites annually [13][14]. Group 5: Frequency and Orbit Resource Competition - The competition for frequency and orbital resources is intensifying, with companies needing to deploy a significant percentage of their satellites within specific timeframes to secure their rights [7][8]. - The International Telecommunication Union (ITU) operates on a "first come, first served" basis for frequency allocation, emphasizing the urgency for Chinese companies to accelerate their satellite launches [7][8].
东兴证券:商业航天发射场工位数快速增长 看好相应技术和产品服务商
智通财经网· 2025-08-18 06:17
Group 1 - The core viewpoint of the report indicates a supply-demand imbalance in commercial space launch sites in China, with existing launch windows being tight and commercial satellite launches often facing delays [1][2] - Domestic commercial space launch sites are experiencing rapid growth, with 18 operational and 7 under construction, totaling 25 sites as of July 2025 [2] - The report highlights the importance of local policies, government funds, and industry capital in supporting the development of launch sites [2] Group 2 - China's satellite internet is entering a construction phase, with a significant gap in launch frequency compared to the US Starlink project, which operates approximately 10 launches per month compared to China's 3 [1] - The report notes that the satellite internet industry chain in China is primarily led by companies like China Star Network and Yuanxin Satellite, which are developing satellite factories for mass production [1] - The launch site infrastructure is critical for the commercial space industry, receiving increased attention and investment from various stakeholders [2] Group 3 - The testing and launch command monitoring system is a vital technical platform for launch sites, responsible for tracking spacecraft orbits and monitoring operational status [3] - SpaceX's ground control system serves as a reference for China's aerospace measurement and control development, integrating various ground and space-based systems [3][4] - The telemetry system and altimeter are key components of the Falcon 9 rocket's control design, ensuring reliable transmission of telemetry parameters [5] Group 4 - The fueling and gas supply system is a key engineering focus for launch site construction, characterized by complex pipeline structures and extensive coverage [6] - This system is essential for providing propellants and gases necessary for rocket launches, functioning as the "gas station" for rockets [6]