Spatially resolved spectroscopic observations of Jupiter during the 1987 opposition F. MorenoA. Molina OriginalPaper Pages: 207 - 219
Clusters and packets of grains in comet Halley and the fragmentation of dust H. Boehnhardt OriginalPaper Pages: 221 - 226
Calculation of the transmittance factor of Bahrain using solar radiation data W. E. AlnaserH. S. Al-Mudifa OriginalPaper Pages: 227 - 231
Notes on an initial satellite system of Neptune Pletser Vladimir Letter to the Editor Pages: 285 - 295
Extraterrestrial particles and the greenhouse effect N. C. WickramasingheF. HoyleR. Rabilizirov Letter to the Editor Pages: 297 - 300