Core Points - The article reports two significant solar flares occurring on November 5 and 6, with maximum intensities of M7.4 and M8.6, accompanied by coronal mass ejections (CME) [1][5] - The solar activity is expected to lead to strong geomagnetic activity over the next three days, with potential auroras visible in northern regions of China, including Heilongjiang, Xinjiang, and Inner Mongolia [5][6] Group 1: Solar Activity - The solar flares are characterized by high-energy releases and are associated with CME, which can impact Earth's magnetic field [5][6] - The magnetic field strength of the sun is significantly higher than that of Earth, which contributes to the geomagnetic effects observed during solar events [6][11] Group 2: Geomagnetic Effects - Geomagnetic storms can affect high-tech equipment, particularly satellites and navigation systems, due to atmospheric drag and ionospheric instability [11] - Wildlife that relies on magnetic fields for navigation, such as homing pigeons, may experience difficulties during geomagnetic storms [11] Group 3: Solar Activity Monitoring - The article highlights the importance of monitoring solar activity, particularly the sunspot group 14274, which has a complex magnetic structure and potential for further eruptions [13][14] - The presence of another sunspot group, 14275, is also noted, which could pose additional challenges if it becomes active [14]

科技日报北京10月14日电 （记者付毅飞）记者14日从中国载人航天工程办公室获悉，由全国载人 航天标准化技术委员会组织提出的国际标准项目ISO/NP14620-5《航天系统—安全性要求—第5部分：载 人航天器》，近日在国际标准化组织（ISO）正式注册立项。 据悉，这是我国载人航天领域首个成功立项的国际标准，也是该领域在国际规则制定中的首次突 破，为促进载人航天飞行安全提供了"中国方案"，将进一步提升我国载人航天国际话语权和影响力。 后续，项目组将按计划开展各阶段编制工作，确保标准顺利发布、实施。 该标准内容包括载人航天器安全性管理要求、安全性技术要求、安全性设计与验证要求、在轨飞行 任务安全性要求等，从保证人的生命安全角度，从顶层规范了载人航天任务研制、发射、在轨运行、返 回、着陆等阶段的安全性工作，适用于载人飞船、货运飞船、空间站以及相关载荷产品等，对于月球探 测工程相关产品安全性设计也具有指导意义。 该标准在研究和借鉴国外航天领域安全性先进技术和方法的基础上，总结我国载人航天工程30余年 安全性工作经验，提出适用于各国载人航天器及相关产品开展安全性工作的统一技术指导和范式，向全 世界公布参与载人航天工作的 ...

央视网消息：据"中国载人航天"公众号消息，近日，由全国载人航天标准化技术委员会组织提出的国际 标准项目ISO/NP14620-5《航天系统一安全性要求一第5部分：载人航天器》，在国际标准化组织 （ISO）正式注册立项。这是我国载人航天领域首个成功立项的国际标准，也是该领域在国际规则制定 中的首次突破，为促进载人航天飞行安全提供了"中国方案"，将进一步提升我国载人航天国际话语权和 影响力。 后续，项目组将按计划开展各阶段编制工作，确保标准顺利发布、实施。 该标准内容包括载人航天器安全性管理要求、安全性技术要求、安全性设计与验证要求、在轨飞行任务 安全性要求等，从保证人的生命安全角度，从顶层规范了载人航天任务研制、发射、在轨运行、返回、 着陆等阶段的安全性工作，适用于载人飞船、货运飞船、空间站以及相关载荷产品等，对于月球探测工 程相关产品安全性设计也具有指导意义。 该标准在研究和借鉴国外航天领域安全性先进技术和方法的基础上，总结我国载人航天工程30余年安全 性工作经验，提出适用于各国载人航天器及相关产品开展安全性工作的统一技术指导和范式，向全世界 公布参与载人航天工作的安全性准入条件，是实施载人航天活动、研制载人 ...

Core Points - The Shenzhou-20 crew successfully completed their third extravehicular activity (EVA) on August 15, 2023, lasting approximately 6.5 hours [1] - Astronaut Chen Dong became the Chinese astronaut with the most EVAs, marking his sixth outing [3] - The main tasks included inspecting key equipment and facilities outside the space station, which will aid in future model development and thermal control technology [5][6] Summary by Sections - **EVA Completion** - The Shenzhou-20 crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, completed their third EVA successfully [1] - The EVA involved critical tasks such as the installation of space debris protection devices and external facility inspections [6] - **Astronaut Activities** - Chen Dong opened the hatch and exited the module, becoming the astronaut with the highest number of EVAs in China [3] - Wang Jie conducted his first EVA, becoming the second flight engineer to perform an extravehicular activity [5] - **Technical Objectives** - The EVA focused on identifying thermal characteristics of key external equipment to analyze their operational status [5] - The data collected will support future developments in thermal control technology and spacecraft design [5]

Core Viewpoint - The meeting highlighted China's commitment to developing manned spaceflight, with plans to achieve manned lunar landing by 2030, showcasing the collective efforts and advancements in space technology over the past 30 years [1][4]. Group 1: Achievements in Manned Spaceflight - China has made significant achievements in manned spaceflight, establishing a national-level "space laboratory" and creating internationally leading scientific experiment cabinets [4][5]. - The development of these technologies is a result of self-reliance and innovation, with a focus on optimizing systems and avoiding past mistakes [5][6]. Group 2: Spirit and Culture of Space Exploration - The spirit of perseverance and dedication among Chinese astronauts is emphasized, reflecting a legacy of hard work and commitment to overcoming challenges in space exploration [5][6]. - The culture of rigorous training and preparation is crucial for astronauts, ensuring they are well-equipped to handle the demands of space missions [6][7]. Group 3: International Collaboration and Breakthroughs - The use of scientific experiment cabinets has led to breakthroughs in various fields, including genetics and materials science, demonstrating China's capability to achieve results on par with international standards [4][5].