"'羲和'号提供了太阳爆发源区低层大气等离子体动力学过程的丰富信息，这项研究挖掘了'羲和'号 在太阳与恒星比较研究领域的科学价值。"论文作者、南京大学教授李川说。 记者5日获悉，由中国科学院国家天文台、紫金山天文台和南京大学组成的研究团队，基于"羲 和"号卫星对太阳爆发源区不同物理过程进行分区积分光谱分析，成功解构出爆发过程中，太阳暗条的 抬升、回落，耀斑带区域的色球压缩、蒸发等不同物理过程的特征，以及各过程混合后的时序光谱特 征。这为从恒星整体Hα光谱（氢原子电子跃迁时产生的红色发射谱线）数据中解构出恒星大气活动爆 发源区的相关物理过程提供了关键线索。相关成果近日发表于国际学术期刊《天体物理学报》。 （原载于《科技日报》 2025-11-06 02版） 太阳是距离地球最近的恒星。作为一个有着"暴脾气"的星体，太阳经常爆发剧烈的能量释放现象， 例如太阳耀斑、太阳暗条爆发和日冕物质抛射。 此次研究中，团队对"羲和"号2024年观测到的5个不同类型太阳爆发事件进行了分析。侯义军告诉 记者："与以往不同的是，基于'羲和'号的Hα成像观测和光谱反演速度场结果，我们对太阳爆发源区分 区域开展积分光谱分析，揭示出太阳爆发 ...

记者5日获悉，由中国科学院国家天文台、紫金山天文台和南京大学组成的研究团队，基于"羲和"号卫 星对太阳爆发源区不同物理过程进行分区积分光谱分析，成功解构出爆发过程中，太阳暗条的抬升、回 落，耀斑带区域的色球压缩、蒸发等不同物理过程的特征，以及各过程混合后的时序光谱特征。这为从 恒星整体Hα光谱（氢原子电子跃迁时产生的红色发射谱线）数据中解构出恒星大气活动爆发源区的相 关物理过程提供了关键线索。相关成果近日发表于国际学术期刊《天体物理学报》。 太阳是距离地球最近的恒星。作为一个有着"暴脾气"的星体，太阳经常爆发剧烈的能量释放现象，例如 太阳耀斑、太阳暗条爆发和日冕物质抛射。 论文通讯作者、国家天文台项目研究员侯义军介绍，在太阳系外的恒星—行星系统中，类似的恒星大气 爆发活动同样存在。"但由于缺乏对单颗恒星长时间的连续监测和具有空间分辨率的磁场及多波段观 测，我们对其起源以及发展了解不多。而'羲和'号的全日面Hα光谱观测，为开展太阳与恒星比较研究进 而揭开恒星大气爆发活动源区的神秘面纱提供了一个契机。"侯义军说。 论文第一作者、中国科学院紫金山天文台和国家天文台联合培养博士生刘骁锋介绍，团队发现，在耀斑 带区域， ...

Core Insights - Over the past five years, China has achieved significant milestones in various sectors, showcasing resilience and vitality amid global uncertainties [1][3][13] - The country's GDP has reached approximately 140 trillion yuan, with per capita GDP surpassing $13,000 for the first time, reflecting a robust economic narrative [3][16] - China has transitioned from a "follower" to a "leader" in technology and innovation, with notable advancements in R&D and global innovation rankings [5][18] Economic Growth - China's economic total has consistently crossed multiple thresholds, reaching 140 trillion yuan, with an average growth rate of 5.5% over the past four years, outpacing global averages [3][16] - The contribution rate of China to global economic growth remains around 30%, positioning it as a crucial engine for global economic development [16][33] Technological Innovation - China has accelerated its technological transformation, moving from "catching up" to "leading" in global innovation, with its global innovation index ranking rising from 34th in 2012 to 10th by 2025 [5][18] - R&D intensity has surpassed the average levels of EU countries, with a significant increase in the number of high-level international journal publications and patents [18][19] Social Welfare and Quality of Life - Key indicators of social welfare, such as resident income and employment security, have shown significant improvement, enhancing the overall quality of life for citizens [7][36] - The focus on equitable distribution of development benefits aims to increase the sense of gain, happiness, and security among the populace [7][36] Infrastructure and Industry - China has built the world's largest high-speed rail network and continues to lead in renewable energy installations, including solar and wind power [21][31] - The manufacturing sector remains robust, with China maintaining its position as the largest industrial producer globally, particularly in automobiles and electronics [21][22] Future Outlook - Looking ahead, China aims to achieve further economic advancements and structural improvements, with a focus on becoming a technology powerhouse and enhancing the integration of innovation and industry [5][37] - The upcoming "15th Five-Year Plan" is expected to solidify the foundation for achieving socialist modernization by 2035 [37]

Core Achievements - Over the past five years, China has achieved significant milestones in various sectors, including space exploration, high-speed rail technology, and renewable energy, establishing itself as a global leader in these fields [1][2][3][4][7][10]. Economic Growth - China's GDP reached approximately 140 trillion yuan, with per capita GDP surpassing $13,000 for the first time, reflecting a robust economic performance and increased consumer spending [2][11]. - The average economic growth rate over the past four years was 5.5%, exceeding the global average, contributing around 30% to global economic growth [11]. Technological Innovation - China has transitioned from "catching up" to "leading" in technological innovation, with its global innovation index ranking rising from 34th in 2012 to 10th in 2025 [3][13]. - R&D investment intensity has surpassed the average level of EU countries, and the integration of technology and industry has accelerated, particularly in artificial intelligence [3][14]. Social Welfare - Key indicators of social welfare, such as resident income and employment security, have shown significant improvement, enhancing the overall quality of life for citizens [4][21]. - The goal of common prosperity is becoming more tangible, with expectations for better employment opportunities and public services in the future [4][21]. Infrastructure Development - China has built the world's largest high-speed rail network and renewable energy systems, solidifying its position as a leader in infrastructure [17][18]. - The country has also established the largest and most comprehensive manufacturing system globally, maintaining its status as the largest industrial robot market for 12 consecutive years [15][16]. Global Trade and Cooperation - China has maintained its position as the world's largest trading nation for eight consecutive years, with significant contributions to international cooperation through initiatives like the Belt and Road [19][20]. - The country is expected to achieve a record in the export of innovative pharmaceuticals, reflecting its growing influence in global markets [19].

Group 1 - The "Xihe" satellite, "Tianwen-1" camera, "Qiao Qiao II" extreme ultraviolet camera, and dual-wing vertical take-off and landing fixed-wing drones were showcased to the public at the Changchun Institute of Optics, Fine Mechanics and Physics [1][3] - The Changchun Institute of Optics, established in 1952, is recognized as the first optical research institution in New China, significantly contributing to the optical industry and talent cultivation [3][4] - The institute opened its key laboratories to the public, demonstrating advanced technologies such as in-orbit assembly of optical systems, which are not widely known [3][4] Group 2 - Volunteers at the institute performed science popularization activities, including experiments that illustrate scientific principles, aiming to inspire children’s interest in science [3][4] - The institute's affiliated enterprises presented various interactive technological products, including a "special visual inspection instrument" and an "AI psychological assessment device," which amazed visitors with its capabilities [3][4] - Researchers conducted multiple science popularization reports, emphasizing the importance of cultivating scientific spirit and culture among the youth [4]