13. A correlation between various indices of solar activity and solar cycles

14. Caractères météorologiques du climat, et activite solaire: quelques remarques

15. A suggested approach to research on the sun-weather problem

16. Observations of zodiacal light in Egypt and its variations

17. On the global size of Oort's cloud of cometary nuclei and their total number

18. Voyager encounters with Jupiter's magnetosphere: results of the low energy charged particle (LECP) experiment

19. The weather on Mars on the basis of the measurements carried out by the Vikings mission

20. On the origin of nebulae

21. On mass loss from stars

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

23. Prospective views in space astronomy

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

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

26. Early-type emission-line stars

27. The structure of the small magellanic cloud

28. Large scale distribution of elements and gravity

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

30. Non linear Einstein-Maxwell differential equations

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

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