人民财讯1月11日电，吉林日报今日消息，近日，长光卫星研发的"吉星"高分07系列卫星采用夜光成像 模式成功获取了国内首张甚高分辨率彩色夜光遥感卫星影像。卫星高分辨夜光遥感成像通过捕捉夜间地 表的人工光源，对低照度区域成像，能够提供独特的社会经济与自然环境数据，其应用场景广泛且具有 重要价值。高分07系列降速推扫夜光成像技术是继长光卫星开展亚米级夜光遥感技术服务后，在夜光成 像领域取得的又一突破，为后续高分辨夜光数据业务化服务打下了坚实基础。 ...

近日，空间中心研究团队，完成了磁强计的研制、地面标定与性能验证工作，并在最新研究中围 绕"微笑"卫星工程任务科学目标对磁场观测的要求，通过分解磁场观测指标，介绍了磁强计的设计、研 制和地面测试定标结果以及在轨定标计划。 相关研究成果发表在Space Science Reviews上。 磁场是空间物理的核心物理量，从带电粒子的微观运动到等离子体的宏观演化，都离不开磁场的调 控。磁场重联通过磁场拓扑的改变，实现能量的转换，是空间天气过程的能量"枢纽"。"微笑"卫星结合 全球成像和原位测量手段，从宏观尺度观测地球空间对磁场重联的响应，并通过原位测量，监测驱动磁 场重联的太阳风，以及地球磁鞘在重联过程中的局地变化。 磁强计是"微笑"卫星搭载的四套科学探测载荷之一，由磁通门传感器、电控箱及伸杆组成，用于测 量空间磁场矢量及其低频波动。磁强计由中国科学院国家空间科学中心牵头，中国科学院微小卫星创新 研究院、上海卫星工程研究所、欧洲航天局等共同参与研制。 ...

Core Points - The article discusses the significant advancements in space exploration and technology since the launch of the first artificial satellite in 1957, highlighting the impact on human understanding of the universe and various scientific discoveries [1] - The Dark Matter Particle Detection Satellite project, initiated in December 2011, represents a new era for China's scientific satellites, with a focus on detecting dark matter particles [2][4] - The successful launch of the "Wukong" satellite in December 2015 marked a milestone for China's astronomical satellites, achieving high efficiency and quality in its development [4][5] Group 1 - The development of space technology has led to groundbreaking scientific discoveries, expanding human knowledge of the universe [1] - The Dark Matter Particle Detection Satellite project was established with a small team, showcasing rapid development and innovation in China's space science [2] - "Wukong" satellite's successful launch has garnered significant attention and recognition, symbolizing China's advancements in space science [4] Group 2 - "Wukong" satellite is celebrating its 10th anniversary, with all detectors functioning well and producing high-quality data [5] - The satellite has achieved remarkable results in measuring cosmic rays, contributing to the understanding of dark matter [5] - The article emphasizes the dedication and spirit of Chinese scientists in advancing space exploration and scientific research [5]

Core Insights - The launch of China's first geological hyperspectral remote sensing satellite, "Geological No. 1," marks a significant advancement in geological exploration capabilities, providing high-quality data for resource investigation and environmental monitoring [1][2] Group 1: Satellite Overview - "Geological No. 1" satellite was developed by China University of Geosciences (Wuhan) and the China Natural Resources Aviation Geophysical Remote Sensing Center, and was launched in May this year [1] - The satellite is designed to support geological exploration in high-altitude and complex terrain areas, aiding in mineral resource surveys, geological disaster monitoring, and ecological environment assessments [1] Group 2: Data Release and Applications - The first batch of standard imaging data was released on October 25, confirming the satellite's capability in image acquisition and processing, meeting practical application requirements [1] - Over 5 months of operation, the satellite has flown approximately 96.1 million kilometers and captured over 8,000 remote sensing images, with data transmission and processing efficiency meeting production needs [1] - The released data covers various application scenarios, including mining areas, red earth deserts, forests, and salt lakes, providing detailed insights into mineral distribution, vegetation health, and salt concentration [1] Group 3: Future Developments - The chief engineer of the "Geological No. 1" project announced ongoing efforts to develop the "Geological No. 2" satellite, aiming to establish a constellation network for hyperspectral geological environmental resources [2]

Core Insights - The successful launch of the "Nankai No. 1" satellite marks a significant achievement for Southern University of Science and Technology (SUSTech) in the field of space exploration, showcasing the collaboration between commercial aerospace and academic research [1][4][5] Group 1: Satellite Features and Innovations - "Nankai No. 1" is equipped with a 12-meter long space electric field antenna system, setting a new global record for small satellite electric field antenna length [1][7] - The satellite utilizes a dual-layer tape structure and 3D printing technology to address the challenges of folding and storing the long antenna, achieving a total mass of 1.7 kilograms and a volume of only 1.6U (approximately 10×10×16 cm) [7] - It is the first domestic attempt to use a small satellite platform for optical observation of auroras, capable of continuous observation for 9 minutes during a single pass over the auroral zone [7] Group 2: Research and Development Contributions - The satellite's electric field measurement payload provides critical data for monitoring the Earth's magnetosphere and ionosphere, while the aurora camera captures extensive aurora data [4][5] - The project aligns with national deep space exploration strategies and will support major projects like the BeiDou satellite and space station by providing environmental monitoring [5][9] - The satellite will conduct approximately 14 passes over Shenzhen each month, contributing to urban geographic information systems [7] Group 3: Educational Impact and Student Involvement - The project emphasizes the integration of research and education, with over 20 undergraduate and graduate students participating in various stages of the satellite's development [9] - Students gained hands-on experience in satellite design, payload development, and data analysis, enhancing their skills and interest in space science [9] - The successful operation of "Nankai No. 1" not only validates innovative space exploration technologies but also builds a foundation for future large-scale space science experiments [9]