""Planetary Sciences""; ""Copyright""; ""Foreword""; ""Acknowledgements""; ""Contents""; ""The Properties and Environment of Primitive Solar Nebulae as Deduced from Observations of Solar-Type Pre-Main Sequence ... ""; ""ABSTRACT""; ""INTRODUCTION""; ""RECENT OBSERVATIONAL RESULTS""; ""Current Observational Evidence for Disks Associated with Pre-Main Sequence Stars""; ""Frequency of Disk Occurrence""; ""The Effect of Stellar Companions on Disk Survival""; ""Disk Evolutionary Time Scales""; ""Disk Sizes and Morphologies""; ""The Disk Environment""; ""ACKNOWLEDGMENTS""; ""REFERENCES""
""Numerical Two-Dimensional Calculations of the Formation of the Solar Nebula""""ABSTRACT""; ""OBSERVATIONAL CONSTRAINTS ON THE PROPERTIES OF THE INITIAL SOLAR NEBULA""; ""THE PHYSICAL PROBLEM""; ""REVIEW OF TWO-DIMENSIONAL CALCULATIONS OF THE FORMATION PHASE""; ""RECENT MODELS WITH HYDRODYNAMICS AND RADIATIVE TRANSPORT""; ""FURTHER EVOLUTION OF THE SYSTEM""; ""ACKNOWLEDGEMENTS""; ""REFERENCES""; ""Three-Dimensional Evolution of Early Solar Nebula""; ""INITIAL CONDITIONS FOR PROTOSTELLAR COLLAPSE""; ""SINGLE VERSUS BINARY STAR FORMATION""; ""ANGULAR MOMENTUM TRANSPORT MECHANISMS""
""THREE-DIMENSIONAL SOLAR NEBULA MODELS""""IMPLICATIONS FOR PLANETARY FORMATION""; ""ACKNOWLEDGMENTS""; ""REFERENCES""; ""Formation and Evolution of the Protoplanetary Disk""; ""ABSTRACT""; ""INTRODUCTION""; ""CIRCUMSTELLAR DISKS""; ""CONDITIONS FOR THE FORMATION OF STARS WITH DISKS""; ""EARLY EVOLUTION OF THE PROTOPLANETARY DISK""; ""TEMPERATURE CONDITIONS AND CONVECTION IN THE PROTOPLANETARY DISK""; ""REFERENCES""; ""Physical-Chemical Processes in a Protoplanetary Cloud""; ""ABSTRACT""; ""CHARACTERISTICS OF THE CHEMICAL COMPOSITION OF MOLECULAR INTERSTELLAR CLOUDS""
""PROPERTIES AND PHYSICO-CHEMICAL PROCESS IN THE GENESIS OF INTERSTELLAR DUST GRAINS""""THE ISOTOPE COMPOSITION OF VOLATILES IN BODIES OF THE SOLAR SYSTEM""; ""REFERENCES""; ""Magnetohydrodynamic Puzzles in the Protoplanetary Nebula""; ""ABSTRACT""; ""INTRODUCTION""; ""MAGNETIZATION OF METEORITES""; ""THE POSSIBLE ORIGIN OF A NEBULAR MAGNETIC FIELD""; ""THE POSSIBILITY OF MAGNETIC FLARES""; ""EXTERNAL MANIFESTATIONS""; ""DYNAMICAL EFFECTS OF THE MAGNETIC FIELD""; ""THE PROBLEM OF IONIZATION""; ""SUMMARY AND CONCLUSIONS""; ""ACKNOWLEDGEMENT""; ""REFERENCES""; ""Formation of Planetesimals""
""ABSTRACT""""INTRODUCTION""; ""NEBULAR STRUCTURE""; ""AERODYNAMICS OF THE SOLID BODIES IN THE NEBULA""; ""PROBLEMS WITH GRAVITATIONAL INSTABILITY""; ""PARTICLE GROWTH BY COAGULATION""; ""PROPERTIES OF FRACTAL AGGREGATES""; ""COAGULATION AND SETTLING OF FRACTAL AGGREGATES""; ""CONCLUSIONS""; ""ACKNOWLEDGEMENTS""; ""REFERENCES""; ""Formation of the Terrestrial Planets from Planetesimals""; ""ABSTRACT""; ""INRODUCTION""; ""FORMATION OF THE ORIGINAL PLANETESIMALS""; ""GROWTH OF PLANETESIMALS INTO PLANETARY EMBRYOS""; ""GROWTH OF RUNAWAY PLANETARY EMBRYOS INTO TERRESTRIAL PLANETS""
