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八十年代第一个春节,在云贵境内出现了日全食,这是本世纪内发生在我国的最后一次日全食。 日食不仅是天文学,特别是太阳物理工作者所关心的重大事件,而且也是地球物理、空间科学等的重要研究对象。长期以来,地球物理科学工作者利用地磁场短期变化和磁暴现象,曾预测有高空电离层和磁层的存在,并有效地区分太阳波辐射和粒子辐射。延续至今,诸如太阳风、M区和冕洞、行星际磁场扇形结构等等,均为众所关心的科学课题。
The first Spring Festival in the 1980s saw the emergence of total solar eclipse in Yunnan-Guizhou region, the last total solar eclipse in our country this century. Solar eclipse is not only an astronomy, especially the major events that sun physics workers are concerned with, but also an important research object in geophysics and space science. For a long time, geophysical scientists have used short-term changes in geomagnetic field and magnetic storms to predict the existence of high-altitude ionosphere and magnetosphere and effectively distinguish between solar radiation and particle radiation. Until today, such as the solar wind, M and coronal holes, interplanetary magnetic field fan structure, etc., are all the science of concern.