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].

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]

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].

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].

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].