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星空有约丨太阳“打喷嚏”,地球会“感冒”吗?
Xin Hua Wang· 2025-11-10 14:24
Core Points - Recent solar activity has seen multiple significant solar flares, including X1.8, X1.1, M7.4, M8.6, and X1.7 flares, indicating heightened solar activity [1][2] - Solar flares and coronal mass ejections (CMEs) can impact space weather, which affects high-tech fields such as aerospace, aviation, and communications, although ground-level human health is not at risk [2][5] - The current solar activity is reportedly weaker compared to last year, with solar flares categorized by intensity levels (C, M, X) and geomagnetic storms classified as weak, medium, or strong [2][5] Industry Developments - The "Xihe" satellite, China's first solar exploration satellite, is part of a broader initiative to enhance space weather monitoring capabilities [2][5] - The completion of the Meridian Project Phase II marks a significant advancement in China's ground-based monitoring of space weather across all layers of the sun-Earth system [5] - Plans for the "Xihe II" solar exploration project aim to position a satellite at the L5 Lagrange point, enabling advanced observation and tracking of solar activities directed towards Earth, enhancing predictive capabilities for space weather [5]
星空有约|太阳“打喷嚏”,地球会“感冒”吗?
Xin Hua She· 2025-11-10 11:14
Core Viewpoint - Recent solar activity has increased significantly, with multiple solar flares occurring in early November, which may impact space weather and technology on Earth [1][2] Group 1: Solar Activity - The sun has recently experienced several significant flares, including X1.8, X1.1, M7.4, M8.6, and X1.7 levels [1] - Solar flares and coronal mass ejections are part of solar activity, with flares likened to volcanic eruptions on the sun's surface, ejecting massive amounts of material at high speeds [1] Group 2: Space Weather Impact - Space weather refers to changes in the space environment caused by solar activity, with geomagnetic storms being one of the effects [1][2] - While humans on the ground are generally safe from geomagnetic storms, these events can disrupt high-tech sectors such as aerospace, aviation, and communications [1] Group 3: Monitoring and Forecasting - The National Space Weather Monitoring and Early Warning Center has issued warnings for potential geomagnetic activity, indicating possible small to moderate geomagnetic storms [2] - China has made advancements in space weather monitoring capabilities, including the completion of the Meridian Project Phase II and the launch of the "Fengyun Space" system [2] - The upcoming "Xihe II" solar probe is expected to enhance predictive capabilities for solar activity, providing timely warnings and data support for space weather forecasting [2]
太阳爆发活动持续,我国这些地方可能出现红绿极光
Yang Shi Wang· 2025-11-06 03:59
Core Viewpoint - The article reports on two significant solar flares that occurred on November 5, with intensities of X1.8 and X1.1, indicating heightened solar activity and potential impacts on space weather [1] Group 1: Solar Activity - Two solar flares occurred on November 5, peaking at 01:34 and 06:01, with intensities of X1.8 and X1.1 respectively [1] - The National Space Weather Monitoring and Warning Center of China forecasts medium to high solar activity over the next three days, with a significant likelihood of M-class flares or higher [1] Group 2: Geomagnetic Effects - The article warns of potential moderate to strong geomagnetic activity due to coronal mass ejections (CME) in the coming days [1] - There is a possibility for the northern regions of China to witness auroras, with specific locations like Mohe in Heilongjiang, Xinjiang, and Inner Mongolia having chances to see red-green composite auroras [1]
向祖国报告丨国之重器子午工程正式运营:破解空间天气之谜
Yang Guang Wang· 2025-10-09 01:33
Core Insights - The Meridian Project Phase II, a significant national scientific infrastructure for space environment monitoring, has officially entered operation after passing national acceptance in March 2023, achieving multiple original results since then [1][2] Group 1: Project Overview - The Meridian Project consists of 96 monitoring stations and 282 monitoring devices, providing real-time data from space [1] - The project aims to study irregular structures in the ionosphere, which significantly impact radio communication and satellite navigation systems [1][2] Group 2: Scientific Contributions - The project has made important advancements in understanding mesoscale ionospheric disturbances and polar flow evolution in the auroral region [1] - Research on ionospheric irregular structures is crucial for improving the accuracy of the BeiDou navigation system and other communication systems [2] Group 3: International Collaboration - The International Meridian Circle Scientific Program was initiated to establish a comprehensive monitoring network across longitudes, aiming for global integration of multidisciplinary observations of the space environment [2] - The program is currently in the proposal verification stage, with expectations for completion soon, enhancing continuous observation capabilities between the Eastern and Western Hemispheres [2]
美发射三枚新探测器 研究太阳风与空间天气
Xin Hua She· 2025-09-26 01:30
Core Points - NASA and NOAA launched three space probes to study solar wind and space weather effects on Earth and the solar system [1] - The probes include NASA's Interstellar Mapping and Acceleration Probe (IMAP), the Karelian Coronagraph Observatory, and NOAA's Space Weather Follow-On satellite SWFO-L1 [1] - The launch occurred on September 24, 2023, at 7:30 AM ET from Kennedy Space Center, Florida, targeting the first Lagrange point, approximately 1.6 million kilometers from Earth [1] - The missions aim to enhance understanding of solar impacts on Earth's habitability, map the solar system's spatial distribution, and improve responses to space weather threats [1] IMAP Mission - IMAP will focus on studying the solar wind boundary region and its interactions with nearby galaxies, while monitoring solar wind and high-energy particles in real-time [1] - Data from IMAP will aid in simulating and improving predictions of space weather impacts, helping to prevent issues like power grid failures and satellite malfunctions caused by solar storms [1] Karelian Coronagraph Observatory - The Karelian Coronagraph Observatory is a small satellite named after American space physicist George Karelian, designed to continuously observe the Earth's outer atmosphere, specifically the exosphere [2] - It will analyze the exosphere's shape, extent, density, and temporal changes, contributing to a deeper understanding of its fundamental physical mechanisms and enhancing predictions of solar activity impacts on Earth [2] SWFO-L1 Satellite - SWFO-L1 is a NOAA satellite dedicated to space weather observation, providing real-time monitoring of solar activity and solar wind [2] - It aims to deliver real-time data and early warning information to prevent potentially destructive space weather events affecting Earth [2]
美发射三枚新探测器
中国能源报· 2025-09-25 10:44
Core Points - The article discusses the launch of three space probes by NASA and NOAA to study solar wind and space weather impacts on Earth and the solar system [1][2] - The probes include the Interstellar Mapping and Acceleration Probe (IMAP), the Karelian Coronagraph Observatory, and the Space Weather Follow-On satellite (SWFO-L1) [1] - The mission aims to enhance understanding of solar influences on Earth's habitability and improve predictions of space weather effects on satellites and astronauts [1] Group 1 - The three probes were launched on September 24, 2023, from Kennedy Space Center aboard a SpaceX Falcon 9 rocket, heading to the first Lagrange point, approximately 1.6 million kilometers from Earth [1] - IMAP will focus on studying the solar wind boundary region and its interactions with nearby galaxies, providing real-time monitoring of solar wind and high-energy particles [1] - The data from IMAP will help simulate and improve predictions of space weather impacts, potentially preventing issues like power grid failures and satellite malfunctions caused by solar storms [1] Group 2 - The Karelian Coronagraph Observatory is a small satellite named after American astrophysicist George Karelian, which will continuously observe the Earth's outer atmosphere, the exosphere, to understand its physical mechanisms [2] - SWFO-L1 is dedicated to monitoring solar activity and solar wind, providing real-time data and alerts for potentially destructive space weather events affecting Earth [2]
美发射三枚新探测器 研究太阳风与空间天气
Xin Hua She· 2025-09-25 03:19
Core Points - NASA and NOAA launched three space probes to study solar wind and space weather impacts on Earth and the solar system [1][2] - The probes include NASA's Interstellar Mapping and Acceleration Probe (IMAP), the Karelian Coronagraph, and NOAA's Space Weather Follow-On satellite SWFO-L1 [1] - The launch occurred on September 24, 2023, at 7:30 AM ET from Kennedy Space Center, with the probes expected to reach the first Lagrange point in January 2024 [1] Group 1 - The IMAP mission will focus on studying the solar wind boundary region and its interactions with nearby galaxies, providing real-time monitoring of solar wind and high-energy particles [1] - Data from IMAP will enhance predictive capabilities regarding space weather impacts, helping to prevent issues like power grid failures and satellite malfunctions caused by solar storms [1] Group 2 - The Karelian Coronagraph is a small satellite named after American space physicist George Karelian, which will continuously observe the Earth's outer atmosphere, the exosphere, to understand its characteristics and changes over time [2] - The SWFO-L1 satellite will monitor solar activity and solar wind in real-time, providing critical data and early warning for potentially destructive space weather events affecting Earth [2]
【科技日报】“草原天眼”逐日追风——探秘我国首台行星际闪烁监测望远镜
Ke Ji Ri Bao· 2025-09-12 01:34
Core Viewpoint - The establishment of China's first interstellar flicker monitoring telescope, known as the "Grassland Eye," marks a significant advancement in the country's capabilities for ground-based observation of interstellar flickering, enhancing its position in global space weather research [1][3]. Group 1: Telescope Overview - The interstellar flicker monitoring telescope is a major piece of equipment under the national infrastructure project "Meridian Project Phase II," with its detection sensitivity at an internationally leading level [1][3]. - The telescope consists of a main station and two auxiliary stations, forming an equilateral triangle layout, with each station approximately 200 kilometers apart [2][3]. Group 2: Purpose and Functionality - The primary purpose of monitoring interstellar flickering is to conduct space weather research and disaster forecasting, as solar activities can lead to significant disturbances affecting Earth [3][5]. - The telescope can capture radio signals from cosmic sources that are disrupted by solar wind, allowing for the monitoring of solar storms and their potential impacts on satellites, communication, navigation, and power grids [5][6]. Group 3: Technical Innovations - The main station features three rows of parabolic antennas, each measuring 140 meters in length and 40 meters in width, making it the largest parabolic radio telescope in China [6][7]. - Key technological breakthroughs include high-precision synchronization control and a digital multi-beam receiving system, which have been fully domestically developed [6][7]. Group 4: Performance and Impact - The "Grassland Eye" can simultaneously receive signals from multiple directions, with a detection sensitivity capable of capturing cosmic radio signals weaker than mobile phone signals by a factor of 10 billion [6][7]. - Since its operation, the telescope has demonstrated exceptional performance, successfully recording significant solar storm events and contributing valuable data for space weather forecasting [7].
“草原天眼”逐日追风——探秘我国首台行星际闪烁监测望远镜
Ke Ji Ri Bao· 2025-09-11 23:43
Core Insights - The article discusses the establishment of China's first interplanetary scintillation monitoring telescope, referred to as the "Grassland Eye," which is part of the national major infrastructure project "Meridian Project Phase II" and is positioned to enhance China's capabilities in space weather monitoring [1][3]. Group 1: Telescope Overview - The telescope is located in Inner Mongolia and is recognized for its international leading sensitivity in detecting interplanetary scintillation [1]. - It consists of a main station and two auxiliary stations, forming an equilateral triangle with a distance of approximately 200 kilometers between each station [2]. Group 2: Purpose and Importance - The primary purpose of the telescope is to conduct space weather research and disaster forecasting, particularly in relation to solar activities that can lead to significant disruptions on Earth [3]. - Monitoring interplanetary scintillation is crucial for understanding solar wind dynamics and predicting solar storms, which can have severe impacts on satellites, communication systems, and power grids [3]. Group 3: Technical Specifications - The main station features three rows of parabolic antennas, each measuring 140 meters in length and 40 meters in width, making it the largest parabolic radio telescope in China [4]. - Each row contains 600 signal receiving units that capture cosmic radio signals for data analysis [4]. Group 4: Technological Advancements - The telescope has achieved breakthroughs in key technologies such as high-precision synchronization control and digital multi-beam reception, significantly enhancing its observational capabilities [5][6]. - It employs a unique "one main, two auxiliary" collaborative observation system, allowing for wide-area monitoring and focused observations of active solar events [6]. Group 5: Performance and Impact - The "Grassland Eye" can simultaneously receive signals from multiple directions and has a detection sensitivity capable of capturing cosmic radio signals that are one billion times weaker than mobile phone signals [6]. - Since its operation, the telescope has demonstrated exceptional performance, successfully recording significant solar storm events and contributing valuable data for space weather forecasting [7].
全球首个全链式空间天气AI预报模型“风宇”!国家卫星气象中心牵头,联合南昌大学、华为共同研发
机器之心· 2025-07-29 09:58
Core Viewpoint - The article highlights the development and significance of the "Fengyu" model, which is the world's first full-chain artificial intelligence forecasting model for space weather, enhancing China's capabilities in space weather monitoring and prediction [2][9]. Group 1: Importance of Space Weather Monitoring - The current solar activity poses threats to satellites, aircraft, and critical ground infrastructure due to unpredictable events like solar flares, likened to an invisible "cosmic tsunami" [4]. - Traditional forecasting methods rely heavily on numerical models, which are complex and time-consuming, making real-time responses challenging [5]. Group 2: Introduction of the "Fengyu" Model - The "Fengyu" model was officially launched on July 26, 2025, at the World Artificial Intelligence Conference, developed by the National Satellite Meteorological Center in collaboration with Nanchang University and Huawei [8]. - The model integrates physical models, numerical forecasting, and artificial intelligence, significantly improving China's space weather forecasting capabilities [9]. Group 3: Technological Innovations of the "Fengyu" Model - The model features a pioneering "chain training structure" that integrates forecasting processes into a collaborative system, addressing the limitations of previous isolated AI models [12]. - It introduces a unique "intelligent coupling optimization mechanism" that allows for real-time collaborative optimization among different regional models, enhancing forecasting accuracy [14]. - The model is built on the MindSpore Science suite and Ascend hardware, achieving superior training efficiency and predictive accuracy compared to traditional platforms [11][18]. Group 4: Performance and Applications - The "Fengyu" model has demonstrated exceptional short-term forecasting capabilities, maintaining prediction errors for global electron density within approximately 10% during significant geomagnetic storm events [25]. - It can guide spacecraft design and operational management, optimizing satellite fuel usage and flight posture in response to predicted space weather changes [27][28]. Group 5: Future Directions - The release of the "Fengyu" model marks a significant advancement in space weather monitoring and prediction, serving as a successful case in the AI for Science domain [30]. - Future developments aim to deploy AI capabilities directly on satellites for autonomous decision-making, representing a critical evolution in aerospace AI applications [31][32].