证券日报网讯1月5日，日联科技在互动平台回答投资者提问时表示，目前公司产品及技术暂未应用于宇 宙探索领域。 ...

9月8日凌晨，在上海市松江区拍摄的月全食（拼版）。新华社发（吴恒轩 摄） 新华社天津12月31日电（记者周润健、李帅）兔走乌飞，窗间过马，2025年即将落幕。这一年，"星空 舞台"妙曲缠绕梁，好戏不断流：既有"玉盘缺复圆"的月全食，也有"彗尾行秋空"的莱蒙彗星，还有"疑 似瑶台镜"的超级月亮，亦有"舞动映苍穹"的浪漫极光，更有"星飞似雨匆"的流星雨。 辞旧迎新之际，让我们将它们逐一邀请至"星空舞台"的中央，再次邂逅星河的浪漫，品味苍穹的诗意。 11月12日晚，在内蒙古自治区呼伦贝尔市拍摄的极光。新华社发（戴建峰 摄） 9月7日午夜至8日凌晨，一次壮观的月全食精彩上演，这是2025年我国境内唯一全程可见的月全食，也 是时隔近3年我们再次与"红月亮"相遇。彼时的夜空中，月亮不再是平日里那般明亮，而是被一层神秘 的红纱轻轻覆盖，如同一位脸儿泛红的少女，在夜空中缓缓展现她的独特魅力。 10月26日，在云南省迪庆藏族自治州拍摄的莱蒙彗星。新华社发（王晋 摄） 每年都会有"天外来客"造访地球，2025年也不例外，莱蒙彗星无疑是其中"最靓的仔"。作为年度最亮彗 星，从10月21日过近地点以来，莱蒙彗星与我们共享了一段美好的 ...

Core Viewpoint - China Railway Construction Corporation (CRCC) announced the completion and operation of the world's largest single-dish radio telescope, known as FAST, located in Pingtang County, Guizhou Province, marking a significant advancement in China's ability to explore deep space and cosmic phenomena [1] Group 1 - The FAST telescope, with a diameter of 500 meters and a total area of 250,000 square meters, is equivalent to 30 standard football fields [1] - The telescope is capable of receiving electromagnetic signals from 13.7 billion light-years away, providing opportunities for breakthroughs in fundamental research areas such as large-scale physics of the universe and the deep structure and laws of matter [1] - The Eleventh Bureau Group of CRCC played a crucial role in the construction of the FAST project, contributing to various civil engineering works including access roads, site excavation, water diversion tunnels, and research facilities [1]

Core Viewpoint - China and the United States have proposed different visions for humanity's future, with China focusing on finding a second Earth and the U.S. launching an AI initiative to reshape scientific research [1] Group 1: China's Space Exploration Initiatives - China's announcement to search for a second Earth is part of a larger strategy to explore cosmic mysteries, emphasizing a systematic approach to understanding the universe [3][4] - The four scientific satellites launched by China target the origins of the universe, stellar activity, and the potential for life, forming a comprehensive knowledge chain [4][5] - The "Kuafu-2" mission aims to observe the solar polar regions, filling a critical gap in solar research that has persisted for decades [4][5] Group 2: Technological Advancements in Exoplanet Research - The "Exoplanet Survey Satellite" will utilize advanced techniques to detect low-mass, long-period planets that have been challenging to identify, marking a significant advancement in exoplanet research [11][14] - China's team successfully identified a previously undetected exoplanet, Kepler-725c, using a complex dynamical method, showcasing the country's growing capabilities in this field [11][14] Group 3: Broader Implications of Space Exploration - The search for a second Earth is not merely about finding a new home but understanding humanity's place in the universe and the origins of life [15] - China's initiatives reflect a shift from passive observation to active exploration, aiming to construct a shared knowledge framework for humanity [5][15]

Core Insights - The Square Kilometer Array (SKA) is a major international scientific project involving multiple countries, aimed at building the world's largest radio telescope to explore cosmic mysteries [1][5][6] Group 1: Project Overview - SKA is a collaborative effort involving ten countries, including China, which plays a significant role in the project [6][7] - The project features two main sites: one in South Africa and another in Australia, chosen for their low light pollution and optimal conditions for astronomical observations [2][4] - The South African site will consist of thousands of 15-meter diameter dish antennas arranged in a spiral pattern to enhance signal reception [2][4] Group 2: Technical Features - SKA utilizes a technique called radio interferometry, allowing multiple antennas to work together to create a larger effective aperture for observing the universe [2][4] - The project is expected to generate massive amounts of data, approximately 8 terabytes per second, which will be processed by supercomputers and shared with scientists worldwide [4][6] - SKA's design allows for high sensitivity and resolution, enabling the detection of previously undetectable faint signals from the cosmos [5][6] Group 3: Scientific Contributions - The MeerKAT telescope, a precursor to SKA, has already achieved significant scientific milestones, including imaging the center of the Milky Way and discovering a giant galaxy [6][8] - The project aims to enhance understanding of cosmic phenomena, such as the evolution of galaxies and the behavior of dark matter [6][8] - Collaboration between SKA and China's FAST telescope is expected to yield new insights into the universe, leveraging the strengths of both facilities [7][8]

Core Insights - The article highlights China's significant contributions to the international scientific project, the Square Kilometre Array (SKA), which is the world's largest radio telescope project, involving multiple countries [1][2]. Group 1: Project Overview - The SKA consists of two parts: a low-frequency array in Australia and a mid-frequency array in South Africa and eight other southern African countries, named for its total receiving area of approximately one square kilometer [1]. - The MeerKAT radio telescope, a precursor to the SKA, features 64 hexagonal dishes, each with a diameter of 13.5 meters, located in the Karoo region of South Africa [1]. Group 2: China's Contributions - China has provided 64 mid-frequency antennas for the SKA, with three already installed and one undergoing testing, showcasing its role as a primary contractor for the antenna structure [2]. - The mid-frequency antennas are critical components of the SKA, with their main reflector made up of 66 individual panels, each requiring sub-millimeter precision adjustments to ensure optimal performance [2][3]. Group 3: Knowledge Transfer and Collaboration - China has also contributed to the development of the servo control system for the antennas, enhancing their pointing accuracy, which is essential for achieving the scientific goals of the SKA [3]. - The SKA regional science center, where data from both South Africa and Australia is aggregated, involves collaboration among astronomers, computer scientists, and engineers, with China playing a key role [3]. Group 4: International Cooperation - The SKA project fosters international collaboration, bringing together countries from both the Global North and South, with a shared goal of understanding the universe [3][4]. - South African officials expressed gratitude for China's support in advancing the country's scientific and technological capabilities [4].

Group 1 - The event at Olympic Park in Chaoyang District transformed into a science popularization exhibition featuring various national science museums and enterprises, providing innovative technology experiences to the audience [2][3] - The China Science and Technology Museum established three major exhibition areas focusing on cutting-edge fields such as life sciences, space exploration, AI creation, and advanced manufacturing, showcasing significant scientific issues and breakthrough technological achievements [2] - A total of 15 interactive science popularization exhibits were presented, including the "Zuchongzhi No. 3" superconducting quantum computer and immersive VR experiences related to aircraft carrier operations [2] Group 2 - The Chaoyang District Science and Technology Culture Carnival was launched alongside the exhibition, covering topics like metaverse virtual interaction, AIGC creativity, astronomy, space science, and digital healthcare, with 19 themed exhibitions set up [3] - The event featured 30 technology experiences at the Aoyuan Technology Show, allowing attendees to engage in human-machine chess matches and immersive flight simulations using VR headsets [3] - The exhibition also included unmanned retail vehicles and coffee robots providing food services, along with a consumer street featuring various tech brands and cultural creative studios showcasing trendy tech and cultural innovations [3]

Core Insights - The event held at the Olympic Park featured a variety of exhibits from national science museums and enterprises, providing innovative technology experiences to the audience [1] - The event included four main sections: the China Science and Technology Museum themed exhibition, Chaoyang District Science and Culture Carnival, Olympic Park Technology Showcase, and Cultural and Creative Leisure Area [1] Section Summaries - The China Science and Technology Museum set up three major exhibition areas focusing on cutting-edge fields such as life sciences, space exploration, AI creation, and advanced manufacturing, showcasing significant scientific issues and breakthrough technologies [1] - A total of 15 interactive science exhibits were presented, including the "Zuchongzhi No. 3" superconducting quantum computer and an interactive expression mirror, along with displays of smart highways and bionic soft robotic fish [1] - The Chaoyang District Science and Culture Carnival featured 19 themed exhibitions covering topics like the metaverse, astronomy, space science, and digital healthcare [1] - The Olympic Park Technology Showcase offered 30 technology experiences, allowing visitors to engage in human-machine chess games and immersive flight simulations using VR headsets [1]

Group 1 - The article commemorates the life and contributions of Nan Rendong, known as the father of the "Chinese Sky Eye" [1][27] - It highlights his early years at Tsinghua University, where he excelled academically and was a respected class leader [3][7] - Nan Rendong's passion for exploration and knowledge is emphasized, showcasing his dedication to learning and his diverse talents in arts and sports [10][11][16] Group 2 - The article details Nan Rendong's professional journey, including his significant role in developing China's first semiconductor radio and television transmitter [20] - It describes the ambitious project of building the world's largest radio telescope, the Five-hundred-meter Aperture Spherical Telescope (FAST), which took 22 years to complete [22][29] - The article notes that FAST made its first significant discovery shortly after Nan Rendong's passing, capturing signals from pulsars, marking a milestone in astronomical research [29][31] Group 3 - The legacy of Nan Rendong is further immortalized with the naming of an asteroid after him and the inclusion of his story in educational materials [31][34] - The article concludes with a reflection on his enduring impact on science and the continued exploration of the universe through the FAST telescope [33][34]

Core Insights - A recent proof-of-concept study published in *Nature Chemistry* demonstrates that existing commercial magnets can enhance oxygen production in space by up to 240% in microgravity environments, potentially allowing astronauts to generate more oxygen for efficient space exploration [1][2]. Group 1: Research Findings - The study highlights the need for efficient and lightweight life support systems for space missions, as current systems, like those on the International Space Station, rely on complex mechanical components and consume significant power [1]. - The process of electrolyzing water to produce breathable oxygen can reduce the need for transporting additional fuel and air to spacecraft. However, in low-gravity conditions, gas bubbles generated during electrolysis do not detach from the electrode surfaces as easily as they do on Earth, which limits the production of fuel and air for astronauts [1]. - Researchers from Georgia Tech and the University of Bremen simulated a low-gravity environment using a drop tower experiment and demonstrated a simple method to remove gas bubbles from the electrode surface during water electrolysis by incorporating commercial neodymium magnets, which enhance the magnetic field and facilitate bubble detachment [1]. Group 2: Future Implications - The findings suggest that this method could optimize water electrolysis devices for future space exploration and travel, although further testing in low-gravity environments is still required [2].