Origin of the Solar System : Planetary Growth in the Gaseous Nebula

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概要

• 論文の詳細を見る

• Many studies on the origin of the solar system have so far been made until now. These are divided into three categories ; Cameron's model, Safronov's model and Kyoto model. In Cameron's model, as an initial stage of the formation of the solar system, a massive solar nebula is assumed whose mass is as large as one solar mass. This solar nebula is unstable against gravitational fragmentation, which leads to massive gaseous protoplanets. On the other hand, in both models of Safronov and us, the mass of the nebula is of the order of a few percent of the solar mass or less. However, a significant difference between Safronov's and ours lies in the continuing accumulation process of planetesimals ; in the former, the accumulation is assumed to proceed in a gas-free space, but in the latter, the gas drag effect of the solar nebula is fully taken into account on the planetary growth. In this paper, the scenario of Kyoto model is reviewed, which has been developed by Hayashi and his co-workers in Kyoto group for these ten years. We will see that the gas of the solar nebula has played extensively important roles on the various stages of the planetary formation.

• 理論物理学刊行会の論文
• 1982-03-01

著者

• Nakagawa Yoshitsugu

  Department of Cardiology, Graduate School of Comprehensive Human Sciences, University of Tsukuba

• Nakazawa Kiyoshi

  Department of Cardiology, St. Marianna University School of Medicine

• Nakagawa Y

  Department Of Earth And Planetary Sciences Faculty Of Science Kobe University

• Nakazawa Kiyoshi

  Department Of Applied Physics Tokyo Institute Of Technology

• NAKAZAWA Kiyoshi

  Department of Physics, Kyoto University

• NAKAZAWA Kiyoshi

  Department of Applied Physics, Tokyo Institute of Technology

• NAKAGAWA Yoshitsugu

  Department of Physics, Kyoto University

• Nakazawa Kiyoshi

  Gifu University

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