BeschreibungAudouin Dollfus Observatoire de Paris, Section de Meudon, 92195 Meudon, FRfu~CE The North Atlantic Treaty Organization (NATO) and, in particular, its Department of Scientific Affairs headed by Dr. C. Sinclair, actively supports new fields of science. The recent exploration of the outer parts of the Solar System by spacecraft focused the attention of a large community of scientists on the problem of ices, which playa major role in the accretionary processes in space except for the close neighborhood of the Sun and of other stars. NATO responded to this new interest by agreeing to sponsor an Advanced Research Workshop "Ices in the Solar System", provided a proper organizing body could be set up. It was a pleasure to organize such a workshop jointly with Profes sor Roman Smoluchowski who had earlier organized similar conferences. I knew from the experience of others who managed such meetings in the past that there would be much work, but the opportunity of cooperating with Smoluchowski was very attractive and convinced me to agree. If well organized, the whole project promised to be more than rewarding for a large community of scientists, both in the short run and in the long run, by clarifying certain outstanding questions in astrophysics. It became clear that a well-organized international conference would attract top scientists and help unravel many fundamental problems.
InhaltsverzeichnisIntroduction: Scientific Background.- I: Physics and Remote Sensing of Ices.- The physics of Ice: Some fundamentals of planetary glaciology..- Partial phase diagram for the system NH3 - H2O: The water-rich region..- Phase transitions in solid methane at high pressure..- Clathrate hydrates in the Solar System.- Polymorphism in vapor deposited amorphous solid water..- Rheologies of H2O Ices Ih, II, and III at high pressures: A progress report..- Creep of high-pressure Ice VI..- Hugoniot of water Ice..- Measurement of the extinction of water Ice particles..- Spectral properties of water Ice and contaminants..- Outer solar system materials: Ices and color systematics..- II: Cosmochemistry of Ices and Interplanetary Particles.- Evolution of Ices from interstellar space to the Solar System.- Formation history and environment of cometary nuclei.- Stable isotopic compositions of hydrogen, nitrogen, oxygen and sulfur in meteoritic low temperature condensates.- Dust of variable porosities (densities) in the Solar System..- Molecule formation in cometary environments.- Interaction between solar energetic particles and interplanetary grains;.- Sputtering of Water Ice at 30-140 K by 0.5 - 6.0 keV H+ and Ne+ ions..- Charged particle modification of Ices in the saturnian and jovian systems..- Laboratory studies of ion irradiations of water, sulfur dioxide and methane Ices..- Comment on the evolution of interplanetary grains..- III: The Icy Nuclei of Comets.- Present status of the icy conglomerate model..- The sublimation temperature of the cometary nucleus: Observational evidence for H2O snows..- Condensation and agglomeration of cometary Ice: the HDO/H2O ratio as tracer..- Amorphous and porous Ices in cometary nuclei..- Composition and structure of the comet nucleus and its evolution on a periodic orbit..- Amorphous-crystalline phase transition and the light curve of comet P/Halley..- Model for an icy halo in comets..- Ice in cometary grains..- Ultraviolet albedo of cometary grains..- S2: A clue to the origin of cometary Ice?.- Formaldehyde in comet IRAS-Araki-Alcock (1983 d); Cosmogonical implications..- The effect of dust halos and dust mantles on nuclear outgassing..- What we do not know about cometary Ices: A review of the incomplete evidence..- IV: Ices on Mars.- The martian polar caps: A Review..- Mars: Long term changes in the state and distribution of H2O..- Subsurface Ice and permfrost on Mars..- Geomorphologic evidence for ground Ice on Mars..- Comment: Compared distribution of H2O on Mars and the Earth..- Hydrolithosphere and problems of subsurface Ice in the equatorial zone of Mars..- V: Rings, Icy Satellites and Pluto.- Icy satellites, rings and Pluto..- Shock vaporization and the accretion of the icy satellites of Jupiter and Saturn..- The composition and structure of planetary rings..- Ices in planetary rings.- The small, icy satellites of Saturn..- The shapes and strengths of small icy satellites..- Icy satellites of Uranus..- The atmospheres of icy bodies..- Evolution of Titan's coupled ocean-atmosphere system and interaction of ocean with bedrock.- Importance of the tectonic motions on Ganymede..- Some remarks on the geology of Ganymede..- Tectonics of Valhalla Basin on Callisto.- Chronology of surface units on the icy satellites of Saturn..- Sulfur dioxide Ice on Io.- Methane Ice on Triton and Pluto.- Geology of Icy satellites.- VI: Summary of the Highlights of the Conference.- Summary of the highlights of the conference.- Indexes.- Author Index.- Object Index.
Untertitel: 'NATO Science Series U'. 1985. Auflage. Sprache: Englisch.
Verlag: SPRINGER VERLAG GMBH
Erscheinungsdatum: August 1985
Seitenanzahl: 880 Seiten