Two-dimensional MHD simulation of the solar wind interaction with magnetic field anomalies on the surface of the Moon
作者： Erika M. Harnett , Robert Winglee
DOI: 10.1029/2000JA000074
关键词: Physics 、 Dipole model of the Earth's magnetic field 、 Interplanetary magnetic field 、 Magnetosheath 、 Magnetic field of the Moon 、 Mercury's magnetic field 、 Coronal mass ejection 、 Bow shocks in astrophysics 、 Magnetopause 、 Geophysics 、 Earth-Surface Processes 、 Ecology (disciplines) 、 Earth and Planetary Sciences (miscellaneous) 、 Space and Planetary Science 、 Palaeontology 、 Forestry 、 Aquatic science 、 Atmospheric Science 、 Soil science 、 Geochemistry and Petrology 、 Oceanography 、 Water Science and Technology
摘要: Two-dimensional magnetohydrodynamic simulations of the solar wind interaction with magnetized regions on surface Moon suggest “mini-magnetospheres” can form around when magnetic anomaly field strength is above 10 nT at 100 km (for a 290 nT) and ion density below 40 cm−3, typical observations placing anomalous strengths 2 surface. The results that not only bow shock magnetopause small anomalies, but their position shape change dramatically changes in conditions. A switch from southward to northward interplanetary (IMF) causes size mini-magnetosphere increase by 90% various positions inside factor 10. In addition affecting stand-off distance, IMF also cause go very round flat elongated. scale mini-magnetospheres for range conditions measured Lunar Prospector. stagnation point region exists several
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