1. Regression modelling in selenodesy

   • S. G. Valeev

   OriginalPaper Pages: 1 - 5

2. Detection of submillimeter size particles in the inner coma of a comet through their forward scattering

   • D. B. Vaidya
   • J. N. Desai

   OriginalPaper Pages: 7 - 11

3. A comparative analysis of the volcanic impact on the climates of the Earth and Mars

   • K. Ya. Kondratyev
   • N. I. Moskalenko
   • S. N. Parzhin

   OriginalPaper Pages: 13 - 18

4. Diatoms on earth, comets, europa and in interstellar space

   • Richard B. Hoover
   • Fred Hoyle
   • S. Al-Mufti

   OriginalPaper Pages: 19 - 45

5. Obstacles facing the venus radar mapper - The implications of gestalt formation in stereo-radargrammetry

   • Robert L. Wildey

   OriginalPaper Pages: 47 - 54

6. A new photographic method for mapping lunar eclipse shadow

   • Tsuko Nakamura
   • Tomohiro Hirayama
   • Motokazu Noguchi

   OriginalPaper Pages: 55 - 71

7. Observation and preliminary analysis of a recent Jovian satellite phenomenon

   • W. H. Allen
   • E. Budding

   Letter To The Editor Pages: 73 - 77

8. The viability with respect to temperature, of micro-organisms incident on the Earth's atmosphere

   • F. Hoyle
   • N. C. Wickramasinghe
   • S. Al-Mufti

   Letter To The Editor Pages: 79 - 84

9. Earth's equatorial ionosphere and the heliospheric current sheet

   • J. Hanumath Sastri

   Letter To The Editor Pages: 85 - 91