Proceedings of the First European Astronomical Meeting Athens, September 4–9, 1972: Volume 1: Solar Activity and Related Interplanetary and Terrestrial Phenomena

Interplanetary Solar Phenomena.- Solar Flares During the Past 1000 Years as Revealed by Lunar Studies.- Solar Activity and Precipitation.- A Study of the Areas Index Ia.- The Solar Activity Cycle and the Breathing of the Heliosphere.- Evidence of a Double Peak in Solar Maxima.- Characteristic Features of Secular and Supersecular Cycles of Solar Activity. A 180-Year Cycle.- The Intensity of the Penumbra of Sunspots.- Solar Flares, Suprathermal Plasma Nodules, and Loop Prominences.- Interpretation of a Hard Solar X-Ray Burst.- The Hard Solar X-Ray Spectrometer on Board the ESRO Td-1a Satellite.- Detailled Photometrical Study of the Development of a Flare from H ?-Observations.- Peculiar Finestructures in Solar Radio Spectra of Type IV Emission.- Unusual Burst of Activity Associated with McMath Region 10789 on June 13, 14, 1970.- Ionization and Recombination Processes for Non-Thermal Plasmas.- Some Details of the Supergranular Motion.- Discussion on the Solar Eclipse of 1973.- Franck-Condon Factors for the Interpretation of the U.V. Spectrum Observed by Mariners IV, V, VI, VII, in the Atmospheres of Mars and Venus.- A New Model for the Atmosphere of Mars.- Photometric Behaviour of Saturn’s Rings as a Function of the Saturnocentric Latitudes of the Earth and the Sun.- The European Southern Observatory (ESO).- Western European Cooperation in Space Astronomy.- Joint Organization for Solar Observations (JOSO).- The Projects of the I.N.A.G. (France).- The Status of the Max-Planck-Institut für Astronomie, Heidelberg.- CESRA.- The “Astronomy and Astrophysics” Division of the European Physical Society.- The Italian Project for a 3.5 m Telescope and the New 1.8 m Telescope of Asiago Observatory.- British Plans.- Author Index.