宇宙探索
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东西问丨任筱强:国际月球科研站“朋友圈”为何越来越大?
Zhong Guo Xin Wen Wang· 2025-08-24 11:51
Core Viewpoint - The International Lunar Research Station (ILRS) is a comprehensive scientific facility initiated by China and involving multiple countries, aimed at advancing lunar exploration and resource utilization through international collaboration [3][4]. Group 1: Purpose and Goals - The ILRS aims to address four major trends in lunar exploration: significant scientific discoveries, long-term habitation for extensive exploration, collaboration between government and private sectors, and broad international cooperation [4]. - The facility will focus on five scientific and application objectives, including lunar geology, astronomical observations, and resource utilization [6][8]. Group 2: Infrastructure and Capabilities - The ILRS will be a multi-functional facility capable of autonomous operation, with short-term human presence, and will include capabilities for lunar-to-Earth transport, energy supply, central control, communication, navigation, and scientific research [5]. - The construction will involve establishing six major research platforms and support facilities for long-term operations, including transportation vehicles and life support systems [8][9]. Group 3: International Collaboration - Since the initiative's launch in 2017, 17 countries and over 60 international organizations have signed cooperation agreements with China regarding the ILRS [10]. - China aims to engage 50 countries, 500 international research institutions, and 5,000 researchers in the project over the next decade, promoting a collaborative approach to lunar exploration [12].
更精准丈量太空 我国获得宇宙探索新进展
Yang Shi Wang· 2025-08-17 08:35
Core Points - Chinese scientists successfully detected a laser signal reflected from a 10-centimeter diameter retroreflector on the Moon, marking a significant achievement in space exploration [1][4] - This accomplishment makes China the fourth country to complete such measurements, following France, Germany, and the United States [4] - The new generation of lunar retroreflectors offers higher precision compared to previous models, despite being more challenging to observe due to their smaller size and weaker signals [6][8] Group 1 - The laser echoes were received from a set of retroreflectors installed on the lunar surface, which serve as reference points for measuring distances in space [3] - The measurement process involves sending laser pulses from ground observation stations to the retroreflectors and calculating the time taken for the pulses to return [3] - The difficulty of detecting such a small target from a distance of approximately 380,000 kilometers is likened to finding a grain of sand on an aircraft carrier's deck [8] Group 2 - The "Tianqin Project" aims to continuously collect data from the retroreflectors to accumulate high-precision Earth-Moon distance measurements [10] - This data will be used for research on gravitational forces, the evolution of the Earth-Moon system, and will lay the groundwork for future gravitational wave detection in space [10]
商业利益超越宏大使命,个人诉求主宰太空雄心,NASA如何跌落“神坛”
Huan Qiu Shi Bao· 2025-07-30 22:44
Core Viewpoint - NASA, once regarded as a "crown jewel" of the U.S. government, is facing decline due to a loss of public trust and insufficient funding, despite bipartisan support for ambitious goals [1] Group 1: Historical Context - NASA was established in 1958 during a peak in public trust in government, aiming to showcase American superiority [2] - The Apollo program, initiated by President Kennedy, employed around 400,000 people and cost approximately $28 billion, symbolizing American capability and confidence [2] Group 2: Budget Cuts and Challenges - NASA proposed a manned Mars mission to President Nixon, which was met with budget cuts due to shifting public sentiment favoring social programs over space exploration [3] - Nixon approved a budget of slightly over $3 billion annually for NASA, significantly reducing the proposed Mars mission budget [3] - Over the years, NASA has increasingly relied on large private contractors like Boeing, which have been criticized for high costs and poor performance [3][4] Group 3: Shift in Focus and Influence - The U.S. government has shifted its focus towards private companies like SpaceX, reducing NASA's scientific mission and budget by nearly 25% in the 2026 proposal [5] - This shift has granted significant influence to private individuals like Elon Musk, raising concerns about the privatization of public space exploration efforts [5] - The exploration of space, once a collaborative human endeavor, is now increasingly driven by commercial interests, undermining NASA's original mission [5][6]
正佳科学馆·正佳天文馆“星际领航”展区启幕
Nan Fang Du Shi Bao· 2025-07-12 02:20
Core Concept - The "Interstellar Navigation" exhibition at the Zhengjia Science Museum and Planetarium offers an immersive experience that combines scientific knowledge about celestial bodies, physics, ecology, and survival with interactive challenges, allowing visitors to explore the universe while reflecting on their own world [1][12]. Group 1: Exhibition Overview - The exhibition is set against the backdrop of humanity's deep space exploration by 2050, featuring a journey from a space visa center to the Moon and Mars, transforming abstract astronomical knowledge into tangible experiences [3][10]. - It includes three main areas, with five photo spots, seven interactive installations, two AI interaction experiences, and six multimedia interactions, engaging visitors of all ages through a task-oriented exploration [3][10]. Group 2: Space Visa Center - The first area, the "Space Visa Center," is designed as a futuristic hub where visitors receive a space ticket and undergo pre-training, experiencing extreme temperature differences and understanding the scientific considerations of transporting materials in space [5][10]. Group 3: Moon Landing Experience - The "Moon Landing" section creates an immersive environment that simulates the Moon's surface, allowing visitors to reflect on Earth while learning about humanity's exploration history through a timeline and interactive features that connect personal experiences to lunar phases [8][10]. Group 4: Mars Adventure - The "Mars Adventure" area replicates the mysterious atmosphere of the red planet, showcasing its geological features and explaining the technology for extracting water and oxygen from Martian soil, while simulating a Martian dust storm experience [10][12]. Group 5: Educational Impact - The exhibition encourages visitors to ponder questions about humanity's relationship with the universe, from the reasons for lunar exploration to the necessities for living on Mars, seamlessly integrating fun with educational insights [12].
“穿越星际的神秘来客——陨石”科普联展亮相黑龙江省博物馆
Huan Qiu Wang Zi Xun· 2025-07-11 13:36
Core Viewpoint - The exhibition "Mysterious Visitors from the Stars - Meteorites" aims to combine scientific exploration with cultural experience, showcasing 102 precious meteorite specimens to the public [1][3]. Group 1: Exhibition Details - The exhibition is organized by the Heilongjiang Provincial Museum, Jilin University School of Earth Sciences, and Harbin Meteorite Society [3]. - It features four main sections: "Interstellar Messengers - Introduction to Meteorites," "Gifts from the Universe - Pursuing Meteorites," "Scientific Secrets - Researching Meteorites," and "Protecting Our Home - Walking in the Universe" [3]. - Visitors can closely appreciate rare meteorite specimens, including lunar and Martian meteorites, and have the opportunity to touch the Altai iron meteorite [3][5]. Group 2: Educational Initiatives - The Heilongjiang Provincial Museum launched a special youth science education program titled "Visitors from Outer Space," aimed at teaching students about the origins and classifications of meteorites through interactive experiences [5]. - Experts will conduct a series of science lectures during the exhibition to help the public understand the deep space secrets contained within these "visitors from outer space" [7].
张永合:捕捉宇宙深处的“焰火”
Ke Ji Ri Bao· 2025-07-10 02:01
Core Viewpoint - The "Tian Guan" satellite has successfully captured a fleeting cosmic X-ray signal, providing a new perspective on the process of stellar death, marking a significant advancement in the field of time-domain astronomy [5][6]. Group 1: Satellite Overview - "Tian Guan" satellite is the first large-field X-ray imaging satellite in the world, designed for high-sensitivity real-time dynamic sky monitoring in the soft X-ray band [5][10]. - The satellite aims to discover transient sources and explosive celestial bodies, referred to as "cosmic fireworks," which appear briefly and then vanish [8][9]. - The satellite's name is derived from a historical supernova event recorded in ancient China, symbolizing a reconnection with historical astronomical observations [6][7]. Group 2: Technical Innovations - The satellite features three standout characteristics: large field of view, high sensitivity, and precise positioning, enabling it to detect and locate transient sources effectively [10][11]. - It employs a unique "big eye" and "small eye" design, utilizing 12 soft X-ray telescopes for wide-field observation and 2 follow-up X-ray telescopes for detailed imaging [11][12]. - The "Tian Guan" satellite incorporates "lobster eye" microchannel optical technology, allowing it to focus soft X-rays effectively, which is a significant innovation in X-ray astronomy [12][13]. Group 3: Communication and Collaboration - The satellite is designed to communicate effectively with ground-based equipment and other satellites, establishing a real-time communication network using VHF and BeiDou short message systems [15]. - This communication capability enhances the satellite's observational effectiveness by allowing rapid sharing of data with global astronomical observatories [15]. Group 4: Team and Talent Development - The development team for the "Tian Guan" satellite is relatively young, with a focus on fostering new talent in the field of space science, emphasizing the need for interdisciplinary skills [16][17]. - The team aims to cultivate a new generation of space science professionals who are passionate about long-term engagement in this field, ensuring sustainable development [18][19].
暑期博物馆四大推荐:恐龙蛋、角岛鲸、兵法简、深空展
Yang Shi Xin Wen· 2025-07-05 05:41
Group 1 - The Guangdong Heyuan Dinosaur Museum houses over 20,000 dinosaur egg fossils, the largest collection in the world, providing insights into the mysteries of the Cretaceous period [1][3] - The museum features a variety of dinosaur eggs, including crystal-like eggs and thin-shelled eggs, each containing unique historical information [3] - The museum serves as a significant base for scientific research and public education about dinosaurs and Earth's evolutionary history [9] Group 2 - The Xiamen Science and Technology Museum has become a popular destination this summer, averaging over 10,000 visitors daily, with nearly 400 interactive exhibits [11] - The museum showcases the first public display of a 10-meter-long adult beaked whale specimen, which was salvaged and preserved after stranding in 2021 [13] - The exhibition includes interactive experiences that educate visitors about whale evolution and biology, enhancing engagement through immersive storytelling [19] Group 3 - The Shandong Museum is currently hosting the "Silver Sparrow Mountain Han Bamboo Slip Culture Exhibition," featuring nearly 5,000 bamboo slips unearthed from a Han tomb [21][23] - The exhibition presents significant historical artifacts, including the "Art of War" by Sun Tzu and Sun Bin, resolving long-standing historical debates [23] - The exhibition will last for three months and includes academic lectures and bamboo slip-making experiences for visitors [23] Group 4 - The National Museum's "Cosmic Archaeology: Time Exploration" exhibition opened on July 3, showcasing the visualization of data related to cosmic exploration [24][26] - The exhibition features various interactive displays, including a simulator for the Square Kilometer Array radio telescope and ancient astronomical maps [28] - This exhibition aims to merge science and art, making the invisible aspects of the universe visible to the public [26][28]
追寻138亿年前的第一束光!展览“宇宙考古”登陆国博
Nan Fang Du Shi Bao· 2025-07-03 04:50
Core Viewpoint - The exhibition "Cosmic Archaeology: Exploring Time and Space" is organized to celebrate the 75th anniversary of diplomatic relations between China and Switzerland, showcasing the intersection of scientific exploration and artistic interpretation through various interactive and digital installations [4][11]. Group 1: Exhibition Overview - The exhibition is co-hosted by the National Museum of China, the Swiss Embassy in China, and the Swiss Federal Institute of Technology in Lausanne, with support from Tsinghua University [1][4]. - It features four main sections: "Instruments and Technology: Mapping the Universe," "Big Data in the Night Sky," "Sustainable Space," and "Future: Planetary Journeys" [4]. Group 2: Featured Installations - The installation "Star Patrol Sculpture" utilizes retired aluminum plates from the Sloan Digital Sky Survey (SDSS) project to create a dynamic art piece that encourages reflection on the workings of the universe [6]. - The interactive installation "Cosmic Collision" visualizes celestial phenomena using approximately 500 deep-space images collected by NASA, enhancing audience engagement through immersive technology [8]. - "Archaeology of Light" takes data from the Virtual Reality Universe Project (VIRUP) to explore the evolution of the universe, tracing back to the cosmic microwave background radiation and the universe's origin 13.8 billion years ago [10]. Group 3: Themes and Insights - The exhibition addresses the relationship between humanity, Earth, and the universe, emphasizing the visualization of cosmic data and images, as well as the exploration of space pollution and future human survival in space [11]. - It aims to construct a historical narrative of human exploration of the universe from multiple dimensions, showcasing the collaborative achievements of contemporary scientific research across borders and disciplines [11]. Group 4: Public Engagement - The exhibition will officially open to the public on July 3, inviting visitors to explore the mysteries of the universe and reflect on the significance of life [13].
“宇宙考古:时空探索”展览带观众追寻138亿年前的第一束光
Huan Qiu Wang Zi Xun· 2025-07-02 13:03
Core Viewpoint - The exhibition "Cosmic Archaeology: Exploration of Time and Space" showcases the intersection of scientific exploration and artistic interpretation, presenting data and concepts related to the universe through various interactive and visual forms [1][3]. Group 1: Exhibition Overview - The exhibition is organized by the National Museum of China, the Swiss Embassy in China, and the Swiss Federal Institute of Technology in Lausanne, with collaboration from Tsinghua University's Department of Astronomy and Academy of Arts [1]. - It features four main sections: "Instruments and Technology: Mapping the Universe," "Big Data in the Starry Sky," "Sustainable Space," and "Future: Planetary Journeys" [3]. Group 2: Key Exhibits - The exhibit includes the "Southern Song Astronomical Map Stele Rubbing," which presents a detailed star map with 1,434 stars, showcasing a more systematic and complete representation than contemporary European star maps [3]. - An interactive installation titled "Cosmic Collision" visualizes astrophysical phenomena using approximately 500 deep-space images collected by NASA, enhancing audience engagement through immersive technology [5]. - The video installation "Archaeology of Light" takes viewers on a journey from Earth to the origins of the universe, providing a deeper understanding of cosmic history [5]. - The "Interstellar Clock" installation simulates the relative positions of Earth, space stations, the Moon, Mars, and the Sun, illustrating the passage of time during interstellar travel [7]. Group 3: Public Engagement - The exhibition will open to the public on July 3 and will be displayed at the National Museum of China for three months [7].
《国宝美鉴》第二集:观星问路 看见文明的千年往事
新华网财经· 2025-06-18 07:46
Core Viewpoint - The article discusses the cultural significance and historical context of ancient astronomical maps, specifically the "Dunhuang Star Map" and the "Suzhou Stone Carved Star Map," highlighting their roles in human exploration of the universe and the exchange of civilizations [1][2]. Summary by Sections Dunhuang Star Map - The "Dunhuang Star Map," created in the early 8th century, is recognized as the world's earliest hand-drawn star map, featuring 1359 stars depicted in red and black [1]. - This map serves as a testament to the exchange between Eastern and Western civilizations, integrating Persian astronomical algorithms and Indian astrological wisdom with the Chinese star system [1]. Suzhou Stone Carved Star Map - The "Suzhou Stone Carved Star Map," created approximately 500 years later, is the oldest scientifically measured stone star map in China, measuring 2.16 meters in length and 1.08 meters in width [2]. - It features concentric circles with the North Pole at the center and divides the visible sky into sections for the twenty-eight lunar mansions, linking celestial phenomena with Confucian ethics [2]. Cultural Significance - Both maps reflect the wisdom and historical richness of ancient civilizations, with the "Dunhuang Star Map" embodying romantic exploration and the "Suzhou Stone Carved Star Map" representing rational understanding of the cosmos [2].