Chandra, S.; Stubbe, P.: On explaining the f-region seasonal anomaly in terms of composition changes in the lower atmosphere. Goddard Space Flight Center, Greenbelt Maryland USA (1970)
Dr. Theodosios Chatzistergos receives award by the European Space Weather and Space Climate Association for his research findings on the historical activity of the Sun.
The Zdenĕk Švetska Senior Prize of the Solar Physics Division of the European Physical Society (EPS) recognizes Solanki’s pioneering contributions to solar research.