Formation of solar system as a result of evolution of protostar of second or subsequent generation

Details Formation of solar system as a result of evolution of protostar of second or subsequent generation Formation of solar system as a result of evolution of protostar of second or subsequent generation

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982m%26p....27...13m&link_type=abstract

Moon and the Planets, vol. 27, Aug. 1982, p. 13-25.

Physics

Planetary Evolution, Protostars, Solar System, Celestial Mechanics, Density Distribution, Meteorites, Meteoritic Composition, Planetary Atmospheres

Scientific paper

The formation of the solar system is considered from the physico-chemical point of view. The main role in the process is ascribed to heavy metals and to the surface tension that had arisen as a result of appearance of a liquid layer of fused substance in the equatorial region of the protostar. The formation of the liquid layer was caused by the transfer of fused substance droplets under the action of centrifugal forces in the direction of the protostar surface. Due to the surface tension the prevalence of the centrifugal forces over the gravitational ones was able to reach the value when the density differentiation of the substance began to take place under the effect of the centrifugal forces, and accumulation of heavy metals proceeded in outermost equatorial region of the protostar. As a result the disk has been formed and a liquid ring was separated from the protostar. Later explosions on the young Sun sent parts of the hardened ring which possessed the first cosmic velocity to different distances away from the Sun. In such a way planets, their satellites, asteroids, meteorites and comets were formed. The physical characteristics of planets, the parameters of their orbits, and the data on the structure of meteorites are consistent with ideas developed in the paper.

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