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未来三天可能发生较强地磁活动,我国北方大部有机会看到极光
Xin Jing Bao· 2025-11-06 04:00
新京报讯 据国家空间天气监测预警中心消息,北京时间11月5日晚间19时19分以及11月6日的清晨06时07分,太阳 再次耀斑两连暴,最大强度分别为M7.4和M8.6级,并伴随较为明显的日冕物质抛射(CME)。 图中圆盘区域为131埃波段下的太阳,左侧偏上的白色高亮区域就是太阳耀斑 我们还借助风云太空系统将CME通过模式运算的方式具象化 磁暴对人类而言没有影响,不用过分担心。 先后两次耀斑爆发都伴随着CME 受此影响,未来三天可能发生较强地磁活动。我国北方大部都有机会看到极光,黑龙江漠河、新疆、内蒙古等地 甚至有机会出现红绿复合极光。 看到这里,你可能会好奇,为什么太阳距离我们1.5亿公里,却能在地球上制造地磁活动呢?其中原因有二。 第一,日冕物质抛射这种太阳典型爆发活动,会高速向外释放太阳大气物质,这些物质本身具有能量高速度快的 特点,再加上还携带着太阳的磁场。根据遥感探测,太阳的磁场强度远高于地球,在黑子区域,甚至高达地球磁 场的数千倍。每次太阳爆发CME都是在向外释放"狠角色"。 第二,我们的地球具有稳定的磁场,是它们保护地球上所有生物免受宇宙高能粒子与太阳冲击波的影响。既然有 保护,那就意味着是地磁场把 ...
把握航天航空投资机遇,航天ETF(159267)正式上市
Core Viewpoint - The article highlights the growth potential and investment opportunities in the aerospace and defense industry, particularly focusing on the commercial space sector and the domestic aircraft manufacturing market, driven by favorable policies and technological advancements [7][8][9]. Group 1: Aerospace and Defense Industry Overview - The Huazhong National Aerospace Industry ETF closely tracks the National Aerospace Industry Index, which includes high-quality companies in aerospace equipment, military electronics, ground weaponry, and aerospace equipment, with a defense industry representation of 98.2% [2]. - Key companies in the National Aerospace Index include AVIC Shenyang Aircraft Corporation (weight 8.37%, market cap 182.41 billion), AVIC Xi'an Aircraft Industry Group (weight 5.36%, market cap 79.96 billion), and others [3]. Group 2: Historical Performance - Since 2020, the National Aerospace Index has achieved a cumulative return of 38.4%, with an annualized return of 6.4% and an annualized volatility of 33.4%, showing significant excess returns during market rebounds compared to the China Securities Military Industry Index [5]. Group 3: Catalysts for Growth - The commercial space sector is entering a new phase of scale and marketization, supported by recent regulatory frameworks from the National Space Administration aimed at enhancing quality supervision [7][8]. - The domestic aircraft market is seeing stable deliveries of the C919 aircraft, with China Commercial Aircraft Corporation predicting the delivery of 9,323 aircraft over the next 20 years, valued at approximately 1.4 trillion USD [9]. - The low-altitude economy is expanding rapidly, with a projected market size of 1.064 trillion RMB by 2026, reflecting a growth rate of 33.8% in 2023 [10]. Group 4: Policy and Regulatory Environment - Strengthened regulations and new policies from the Science and Technology Innovation Board are expected to enhance project quality and industry management, promoting long-term healthy development in the aerospace sector [11]. - The frequency of space launches has reached a new high, with 35 successful launches in the first half of the year, indicating a robust growth trajectory for the industry [11].