作者: R. Oliver , J. L. Ballester , F. Baudin
DOI: 10.1038/29012
关键词: Magnetic flux 、 Coincident 、 Astrophysics 、 Solar minimum 、 Solar flare 、 Physics 、 Meteorology 、 Sunspot 、 Maxima
摘要: … –158 days in the occurrence of high-energy solar flares that was seen during cycle 21 (1–7). The cause of the latter … To this end, we have examined records of sunspot areas, looking for …