Core Viewpoint - The recent solar prominence eruption observed by China's "Xihe" satellite is a significant event, with a plasma channel extending approximately 400,000 kilometers, roughly the distance from Earth to the Moon, indicating the ongoing high activity of the sun and potential implications for space weather [1][4][6]. Group 1: Solar Activity and Its Implications - Solar activity is currently at a peak, with the 25th solar cycle entering its high phase, expected to continue through 2024 and 2025, indicating a higher frequency of solar events compared to the previous cycle [4][8]. - The occurrence of X-class solar flares has been notable, with over 60 such flares recorded from 2024 to the present, each equivalent to the energy consumption of China over 300,000 years, posing risks of coronal mass ejections and significant geomagnetic storms [6][8]. - The potential for large-scale solar eruptions remains high until the end of this active period in 2030, particularly concerning coronal mass ejections and X-class flares that could trigger strong geomagnetic storms [8][9]. Group 2: Challenges to Space Assets - The increasing frequency of solar activity poses significant challenges to the safety of space assets, with approximately half of satellite failures attributed to space weather events [9][11]. - High-energy particles from solar eruptions can disrupt satellite electronics and compromise astronaut safety during extravehicular activities [11][22]. Group 3: Advances in Space Weather Forecasting - The development of artificial intelligence (AI) models for space weather forecasting represents a significant advancement, enabling real-time monitoring and prediction of solar events and their impacts on Earth [12][16][20]. - A new AI model, designed to integrate various observational data and numerical models, aims to enhance the accuracy of space weather predictions by establishing a comprehensive monitoring system [14][16]. - The integration of AI in space weather forecasting allows for automatic identification of solar wind sources, improving the effectiveness of predictions and responses to solar events [17][19]. Group 4: Enhancing Satellite Protection - There is a growing emphasis on improving the protective capabilities of satellite systems against space weather impacts, with recommendations for incorporating AI technologies directly into satellite operations for autonomous decision-making [20][24]. - The design and operation of satellites must consider the effects of space weather from the outset, including radiation exposure and potential changes in orbital dynamics due to solar activity [22][24].

Core Insights - The Parker Solar Probe has successfully completed another close flyby of the Sun, reaching a distance of approximately 6.2 million kilometers from the solar surface, and traveling at a speed of about 687,000 kilometers per hour, setting new distance records since late last year [1][3] - The probe aims to gather data on the solar atmosphere and solar wind, addressing scientific questions regarding the high temperature of the corona, the acceleration of solar wind, and the origins of high-energy solar particles [2][4] Group 1: Parker Solar Probe's Mission and Achievements - Since its launch in August 2018, the Parker Solar Probe has conducted 24 close flybys of the Sun, leading to significant discoveries such as the magnetic field reversal structure of solar wind and the confirmation of a dust-free zone near the Sun [3] - The probe is equipped with four advanced instruments designed to measure various physical parameters of solar wind and capture images of solar disturbances, ensuring its functionality under extreme solar radiation through a specially designed thermal protection system [2][3] Group 2: Solar Activity and Its Implications - The Sun exhibits an approximately 11-year cycle of activity, currently in its 25th solar cycle, characterized by an increase in sunspot numbers and complex magnetic structures, leading to frequent solar flares and coronal mass ejections that significantly impact the Earth's space environment [3][4] - Other international missions, including the European Solar Orbiter and China's Kuafu-1 and Xihe satellites, are also observing solar activity to enhance understanding of solar phenomena and improve predictive capabilities regarding solar storms, which can affect critical infrastructure on Earth [4]

星空浩瀚，探索永无止境。从东方红一号遨游太空到"嫦娥家族"书写探月精彩篇章，从神舟五号首次载 人航天飞行到建成中国人自己的空间站，一次次振奋人心的发射，一项项令人惊叹的成就，不断刷新中 国航天追梦筑梦的高度。 （本报记者 喻思南） 将每一次叩问太空之旅，当作新任务的起点，中国航天步履不停，不断攀登航天科技高峰。 《 人民日报 》（ 2025年04月24日 07 版） 航天技术向更高层次跨越。几代人接力，突破载人天地往返、交会对接等一系列关键核心技术，中国人 进入了自己的空间站。越星河，携月壤，嫦娥六号任务实现世界首次月球背面采样返回，创造了中国航 天的世界纪录。随着探月工程加速实施、载人月球探测任务稳步推进，越来越强的火箭运载、深空探测 等能力，将支撑我们向更深更远的太空进发。 (责编：岳弘彬、牛镛) 关注公众号：人民网财经 空间科学发展开启新篇章。"悟空""墨子号""慧眼"……近年来，中国科学卫星闪耀苍穹，持续带来太空 深处的讯息；嫦娥五号、嫦娥六号月壤研究成果不断涌现，逐渐揭开月球神秘面纱。从"天问"探火 到"羲和"逐日，我国深空探测工程接力迈进，更多的标志性原创成果证明，中国在空间科学领域迅速发 展，向 ...