地磁活动对卫星影响

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“星链”卫星频繁提前坠落 研究称与太阳活动加剧有关
news flash· 2025-06-12 03:32
Core Viewpoint - The increasing frequency of early falls of Starlink satellites is significantly linked to heightened solar activity, raising concerns about space environment safety and satellite operational stability [1] Group 1: Satellite Fall Data - From 2020 to 2024, a total of 583 Starlink satellites fell from low Earth orbit, with only 2 falling in 2020, 78 in 2021, and a dramatic increase to 316 in 2024 [1] - The annual number of fallen Starlink satellites shows an upward trend, which is highly correlated with periods of increased solar activity [1] Group 2: Geomagnetic Activity Impact - The research indicates that geomagnetic activity has a significant impact on the fall of Starlink satellites, with increased geomagnetic activity leading to earlier falls compared to periods of geomagnetic calm [1] - The study emphasizes the need for enhanced monitoring and forecasting during periods of intense solar and geomagnetic activity to prevent potential collisions and satellite debris impacts on Earth [1]