Statistics – Computation
Scientific paper
Jul 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...63..134b&link_type=abstract
Icarus (ISSN 0019-1035), vol. 63, July 1985, p. 134-152.
Statistics
Computation
10
Dynamic Stability, Earth Rotation, Fission, Lunar Evolution, Planetary Evolution, Protoplanets, Computational Astrophysics, Dissipation, Equations Of State, Maclaurin Series, Virial Theorem, Viscous Fluids, Planets, Planetesimals, Dynamics, Fission, Stability, Models, Kinetics, Calculations, Analysis, Procedure, Techniques, Thermal Properties, Size, Earth-Moon System, Viscosity, Rotation, Symmetry, Radius, Parameters, Energy, Kinematics, Formation, Rheology, History
Scientific paper
Analytical and numerical approaches are taken to consider if a rapidly rotating, viscous protoearth would have lost mass by a fission process and thereby given birth to the moon. The fast rotation is assumed as the source of the instability in the dissipative liquid protoearth. Governing hydrodynamic equations are defined for the evolution of the protoearth. Account is taken of viscous dissipation, the pressure equation of state for the atmospheric material sent on a ballistic trajectory, and the effective viscosity. The results indicate that dynamic fission was probably not the process by which the protomoon came into existence.
Boss Alan P.
Mizuno Hideki
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