作者: M. Waldmeier
DOI: 10.1007/BF00159763
关键词: Northern Hemisphere 、 Solar prominence 、 Maxima 、 Asymmetry 、 Corona 、 Physics 、 Astrophysics 、 Atmospheric sciences 、 Southern Hemisphere 、 Line (formation) 、 Polar
摘要: … or years, the solar activity remains asymmetrical. Since 1949 the activity on the northern … The present investigation analyses the solar activity during the decade 1959-1969 when the …