Published: 2025-09-26

CME activities on spotless days during descending phase of solar cycles 23 and 24

Dipali Burud, Rajmal Jain, Arun Awasthi, N. Gopalswamy

SA442

Unusual vertical oscillations in sodium density and the formation of sporadic sodium layer over the Zhongshan station

Alicreance Hiyadutuje, Xiangcai Chen, John Bosco Habarulema, Michael J. Kosch, Judy A. E. Stephenson, Tshimangadzo Merline Matamba, Wentao Huang, Chao Ban

A449