1. Contribution to fourier analysis of the light curves of eclipsing

2. Prospective views in space astronomy

3. Long-term changes of the flare stars ev lac and by dra

4. On the problem of cepheid amplitude dependence on the star position in the instability strip

5. Early-type emission-line stars

6. The structure of the small magellanic cloud

7. Large scale distribution of elements and gravity

8. Active galactic nuclei and particle acceleration in accretion disks around massive black holes

9. Non linear Einstein-Maxwell differential equations

10. Recent results for the moon's secular acceleration and their implication for the possible variation of G in dirac's large number hypothesis

11. Classical phase space from a relativist's point of view

12. The colonization of the galaxy - A key concept in the search for extraterrestrial intelligence

13. Numerical treatment of the magnetohydrodynamic flow by an infinite porous plate

14. Ray tracing and caustics from large reflectors used in spacecrafts

15. Why the total solar radio flux at a wave length of 10cm cannot fully replace the wolf relative sunspot number

16. Episteme and gnosis: a tension in european thought

17. A new, rational endeavour for understanding the Eratosthenes numerical result of the earth meridian measurement

18. Astronomical activity in the period 1600 to 1880

19. The behaviour of adiabatic invariants near resonances

20. Radiation pressure effect on dust surrounding the Pleiades bright stars