Effects of active solar regions on the g
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E. Antonucci; G. Cini Castagnoli; M. A. Dodero
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Article
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1971
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Springer
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English
โ 454 KB
During the year 1969 two long-lived centres were active on the Sun at Carrington longitudes 50 ~ < L < 100 ~ and 250 ~ < L < 300 ~ About 80 % of the flares of importance I> 1B, produced during this period, originated in these zones. The solar modulation of galactic cosmic ray intensity during 1969