俄称监测到最强太阳耀斑

Core Viewpoint - The article reports the occurrence of an X1.8 solar flare, marking the first significant energy event in five months, with the last recorded flare being an X1.9 on June 19 [3]. Group 1: Solar Flare Details - On November 4, the Russian Academy of Sciences reported the detection of an X1.8 solar flare, which is classified as a strong energy event [3]. - Prior to this, on November 3, two M-class flares were observed within one hour, indicating increased solar activity [3]. - Solar flares are categorized into five levels (A, B, C, M, X) based on energy output, with each level further divided into ten grades [3]. Group 2: Impact of Solar Flares - The primary effects of solar flares on Earth include interference with the ionosphere, communication and navigation systems, and potential disturbances to satellites and spacecraft [3]. - Solar flares can also trigger geomagnetic storms, which may lead to auroras, but they do not have direct health impacts on humans [3].