Planetary Sciences

Name: Planetary Sciences | American and Soviet Research/Proceedings from the U.S.-U.S.S.R. Workshop on Planetary Sciences
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American and Soviet Research/Proceedings from the U.S.-U.S.S.R. Workshop on Planetary Sciences

National Academy of Sciences Division on Engineering and Physical Sciences Commission on Engineeri(Autor*in)

David M. Abramson Kathleen Kearney Trivers Thomas M. Donahue(Herausgeber*in)

National Academies Press

1. Auflage

Erschienen am 1. Januar 1991

304 Seiten

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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
ACKNOWLEDGMENTS
REFERENCES
The Rate of Planet Formation and the Solar System's Small Bodies
ABSTRACT
INTRODUCTION
CONDITIONS OF ASTEROID FORMATION
THE REMOVAL OF BODIES FROM THE SOLAR SYSTEM AND THE FORMATION OF THE COMETARY CLOUD
REFERENCES
Astrophysical Dust Grains in Stars, the Interstellar Medium, and the Solar System
ABSTRACT
THE CYCLING OF DUST IN STELLAR EVOLUTION AND THE FORMATION OF PLANETARY SYSTEMS
ASTROPHYSICAL DUST GRAINS IN CIRCUMSTELLAR ENVIRONMENTS
CIRCUMSTELLAR GRAIN FORMATION AND MASS LOSS
INTERSTELLAR DUST GRAINS
COMET DUST AND THE ZODIACAL CLOUD
THE SURVIVAL OF DUST GRAINS DURING STELLAR EVOLUTION
ESTABLISHING CONNECTIONS BETWEEN STARDUST AND DUST IN THE SOLAR SYSTEM
ACKNOWLEDGEMENTS
REFERENCES
Late Stages of Accumulation and Early Evolution of the Planets
ABSTRACT
INTRODUCTION
FORMATION OF THE PLANETARY SYSTEM
STANDARD AND MK-DISK MODELS
PLANETESIMAL MASS SPECTRUM N(M,T) AND MATTER REDISTRIBUTION
RELATIVE VELOCITY SPECTRUM
MASSES OF THE LARGEST BODIES IN A PLANETS FEEDING ZONE
MASSES, RELATIVE DISTANCES, AND THE NUMBER OF PLANETS
DYNAMIC CHARACTERISTICS OF FORMING PLANETS
COSMOCHEMICAL ASPECTS OF EVOLUTION
TIME SCALE FOR THE REMOVAL OF GAS FROM THE TERRESTRIAL PLANET ZONE
ON THE COMPOSITION OF THE TERRESTRIAL PLANETS
EARLY EVOLUTION OF THE PLANETS
INITIAL EARTH TEMPERATURE AND ENERGY SOURCES
HEAT MASS TRANSFER PROCESSES
INITIAL COMPOSITION INHOMOGENEITIES
THERMAL EXPLOSIONS" IN PRIMORDIAL EARTH
CHARACTERISTIC TIME SCALES FOR THE EARLY DIFFERENTIATION OF INTERIORS
CONCLUSION
REFERENCES
Giant Planets and Their Satellites: What Are the Relationships Between Their Properties and How They Formed?
ABSTRACT
THE MASS DISTRIBUTION
INTERIOR MODELS
ATMOSPHERIC COMPOSITIONS AND THEIR IMPLICATIONS
HEAT FLOWS AND THEIR IMPLICATIONS
SATELLITE SYSTEMS
TEMPERATURES IN THE SOLAR NEBULA
GIANT PLANET FORMATION
ACKNOWLEDGEMENTS
REFERENCES
The Thermal Conditions of Venus
ABSTRACT
MODIFIED APPROXIMATION OF PARAMETRIZED CONVECTION
DESCRIPTION OF THE MODEL
NUMERICAL RESULTS AND ASYMPOTOTIC SOLUTION OF THE MAPC EQUATIONS
MAGNETISM AND THE THERMAL REGIME OF THE CORES OF EARTH AND VENUS
THE THERMAL REGIME OF THE VENUSIAN CRUST
CONCLUSION
REFERENCES
Degassing
ABSTRACT
INTRODUCTION
RESERVOIRS
FLUXES
CARBON DIOXIDE
CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES
The Role of Impacting Processes in the Chemical Evolution of the Atmosphere of Primordial Earth
ABSTRACT
EARTH'S INITIAL ATMOSPHERE
CONTINUOUS DEGASSING
IMPACT PROCESSES AND THE EARTH'S PROTOATMOSPHERE
THE EVOLUTION OF AN IMPACT-GENERATED ATMOSPHERE
REFERENCES
Lithospheric and Atmospheric Interaction on the Planet Venus
ABSTRACT
MANIFESTATION OF EXOGENIC PROCESSES USING PHOTOGEOLOGICAL DATA
THE CHEMICAL COMPOSITION AND A CHEMICAL MODEL OF THE TROPOSPHERE OF VENUS
THE MINERAL COMPOSITION OF SURFACE ROCK ON VENUS
THE CYCLES OF VOLATILE COMPONENTS
GENERAL CONCLUSIONS
REFERENCES
Runaway Greenhouse Atmospheres: Applications to Earth and Venus
ABSTRACT
INTRODUCTION
RUNAWAY GREENHOUSE ATMOSPHERES
MOIST GREENHOUSE ATMOSPHERES
LOSS OF WATER FROM VENUS
STEAM ATMOSPHERES DURING ACCRETION
THE CONTINUOUSLY HABITABLE ZONE
CONCLUSION
REFERENCES
The Oort Cloud
ABSTRACT
THE OORT CLOUD'S MASS
HILL'S CLOUD MASS
ANGULAR MOMENTUM DISTRIBUTION IN THE SOLAR SYSTEM
THE COMETARY CLOUD AROUND OTHER STARS
CONCLUSION
ACKNOWLEDGMENT
REFERENCES
The Chaotic Dynamics of Comets and the Problems of the Oort Cloud
ABSTRACT
INTRODUCTION
THE DYNAMIC CHAOS OF COMETS
GENERAL COMETARY DYNAMICS AND THE INFLUENCE OF THE GALACTIC TIDE
CONCLUSION
ACKNOWLEDGEMENT
REFERENCES
Progress in Extra-Solar Planet Detection
INTRODUCTION
WHAT IS A PLANET?
PLANET SIGNALS ARE WEAK
DIRECT TECHNIQUES: IMAGING AND SPECTRAL DETECTION
INDIRECT TECHNIQUES: REFLEX MOTION AND OCCULTATIONS
SUMMARY
PROSPECTIVE CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
Appendix I- List of Participants
Appendix II- List of Presentations
AMERICAN PRESENTATIONS
SOVIET PRESENTATIONS

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