Features of the Martian Magnetic Field Structure |
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| Authors: | Yi-Teng Zhang Lei Li |
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| Institution: | 1. Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190;2. Graduate School of Chinese Academy of Sciences, Beijing 100049 |
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| Abstract: | Based on the single-fluid MHD model of Mars space simulation, this paper has studied the magnetic field structure in the near-Mars space and investigated the influence of Martian crustal magnetic anomalies on the magnetic field structure. In the process of the solar wind interaction with Mars, the bow shock and magnetic pile-up region are produced. The interplanetary magnetic lines are curved and deformed while they are towed toward the two poles by the solar wind. The majority of magnetic lines bypass the two poles, then leave behind a ‘V-shaped’ structure in the magnetotail behind Mars. In the crust of Mars, the local magnetic anomalies have a noticeable influence on the magnetic field structure. The magnetic anomalies at different positions and in different intensities interact with the solar wind to form the mini-magnetospheres of different structures and morphologies, such as the towed mini-magnetosphere and the mini-magnetosphere with open magnetic lines. The local magnetic anomalies have changed the near-Mars magnetic field structure, and probably changed the plasma distribution as well. |
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| Keywords: | planets and satellites: individual: Mars |
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