Dynamics of the accumulation process of the Earth group of planets: Formation of the reverse rotation of Venus

Details Dynamics of the accumulation process of the Earth group of planets: Formation of the reverse rotation of Venus Dynamics of the accumulation process of the Earth group of planets: Formation of the reverse rotation of Venus

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979stin...7929130k&link_type=abstract

"Dynamics of the accumulation process of the Earth group of planets: Formation of the reverse rotation of Venus Transl. into E

Mathematics

Cosmology, Mathematical Models, Planetary Rotation, Protoplanets, Terrestrial Planets, Venus (Planet), Axes Of Rotation, Earth (Planet), Earth Rotation, Mercury (Planet), Planetary Evolution

Scientific paper

A numerical simulation of the process of formation of the terrestrial planets is carried within the framework of a new theory for the accumulation of planetary and satellite systems. The numerical simulation permitted determining the parameters of the protoplanetary disk from which Mercury, Venus and the Earth were formed as result of the evolution. The acquisition of a slow retrograde rotation for Venus was discovered during the course of the investigation, whereas Mercury and the Earth acquired direct rotation about their axes. Deviations of the semimajor axes of these three planets as well as the masses of the Earth and Venus from the true values are small as a rule (l 10%). It is shown that during the accumulation of the terrestrial planets, there existed a profound relationship between the process of formation of the orbits and masses of the planet and the process of formation of their rotation about their axes. Estimates are presented for the radii of the initial effective bodies and the time of evolution for the terrestrial accumulation zone.

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