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- W1983162384 abstract "Abstract G. Gamov's point of view on the origin of the Solar System is presented. He was skeptical concerning the modern wide-spread nebular approach to the formation of planets. At the same time, he stopped quite close to the close-binary hypothesis considering the Sun-Jupiter system as the limiting case of a close binary. The latter approach is developed in detail here. The observed close binary systems appear after 4–5 fragmentations of a cloud with excessive angular momentum as a result of rotational-exchange fission of the last fragment-a fast-spinning cloud with density 10−13 − 10−11 g/cm3. Due to high density, the cloud rapidly collapses according to classical Hayashi scenario, with the appearance of a protostar with an outer convective zone. For M < 1 − 1.5M [odot] this zone spans the whole protostar, while for M < 1.5M [odot] it occupies only a part of its mass. In a protostar whose dense inner part rotates faster than its periphery, large angular momentum is stored. When the convection arises, momentum is carried outwards and the outer layers form a massive ring breaking up into self-gravitating fragments. The convective matter of the protostar flows through the inner Lagrangian point to the heaviest fragment. Thus, rotational-exchange fission of a star with M < 1.5M [odot] produces a close binary with components of comparable mass. In the M < 1.5M [odot] case, the matter of the whole star flows onto a newly formed component, so that only a remnant with M∼ 0.001M [odot] is left behind. So the limiting case of a close binary star is the Sun-Jupiter type system (E. M. Drobyshevski, Nature 250, 35, 1974). The other planets were formed within the originally massive and fast-rotating component, a very dense analog of a classical protoplanetary disk, and were lost, except for the last Galilean satellites, because of rapid mass decrease of this component-future Jupiter. This model explains all properties of the Solar System, including slow rotation of the Sun and fast rotation of the planets, and predicts the existence of a planet-cometary cloud containing dozens of moon-like planets at a distance of only 50–3,000 AU (E. M. Drobyshevski, Moon Planets 18, 145, 1978). It predicts also the presence of planets in some binary systems." @default.
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- W1983162384 date "1996-07-01" @default.
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- W1983162384 title "George gamov and the origin of the solar system" @default.
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- W1983162384 doi "https://doi.org/10.1080/10556799608205428" @default.
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