I: History and Philosophy.- Episteme and Gnosis. A Tension in European Thought.- A New, Rational Endeavour for Understanding the Eratosthenes Numerical Result of the Earth Meridian Measurement.- Astronomical Activity in the Period 1600 to 1880.- II: Dynamics.- The Behaviour of Adiabatic Invariants near Resonances.- Radiation Pressure Effect on Dust Surrounding the Pleiades Bright Stars.- Trapping of Orbits in Barred Galaxies.- On the Stability of the Asteroids.- III: Solar Physics.- Solar Magnetic Fields and Activity.- The Experimental Curve of Growth in Function of Different Sets of Oscillator Strengths.- Relations of Solar Activity Indices.- Why the Total Solar Radio Flux at a Wave Length of 10cm Cannot Fully Replace the Wolf Relative Sunspot Number.- Increasing Trend of Flare Activity Before the Proton Flare April 30, 1976.- Centimeter Wavelength Observations of Active Regions and Flares with a Few Arc Second Resolution.- A Correlation Between Various Indices of Solar Activity and Solar Cycles.- IV: Solar-Terrestrial Relations.- Caractères Météorologiques du Climat, et Activité Solaire: Quelques Remarques.- A Suggested Approach to Research on the Sun-Weather Problem.- V: Planetary System.- Observations of Zodiacal Light in Egypt and its Variations.- On the Global Size of Oort’s Cloud of Cometary Nuclei and their Total Number.- Voyager Encounters with Jupiter’s Magnetosphere: Results of the Low Energy Charged Particle (LECP) Experiment.- The Weather on Mars on the Basis of the Measurements Carried out by the Vikings Mission.- VI: Stellar Astronomy.- On the Origin of Nebulae.- On Mass Loss from Stars.- Contribution to Fourier Analysis of the Light Curves of Eclipsing Variables.- Prospective Views in Space Astrometry.- Long-Term Changes of the Flare Stars EV Lac and BY Dra.- On the Problem of Cepheid Amplitude Dependence on the Star Position in the Instability Strip.- Early-Type Emission-Line Stars.- VII: Galaxies.- The Structure of the Small Magellanic Cloud.- Large Scale Distribution of Elements and Gravity.- Active Galactic Nuclei and Particle Acceleration in Accretion Disks Around Massive Black Holes.- VIII: Cosmology and Relativity.- Non Linear Einstein-Maxwell Differential Equations.- Recent Results for the Moon’s Secular Acceleration and their Implication for the Possible Variation of G in Dirac’s Large Number Hypothesis.- Classical Phase Space from a Relativist’s Point of View.- IX: Extraterrestrial Intelligence.- The Colonization of the Galaxy. A Key Concept in the Search for Extraterrestrial Intelligence.- X: Associated Fields.- Numerical Treatment of the Magnetohydrodynamic Flow Bounded by an Infinite Porous Plate.- Ray Tracing and Caustics from Large Reflectors Used in Spacecrafts.- Name Index.
