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- Magnetosphere_particle_motion abstract "The ions and electrons of a plasma interacting with the Earth's magnetic field generally follow its magnetic field lines. These represent the force that a north magnetic pole would experience at any given point. (Denser lines indicate a stronger force.) Plasmas exhibit more complex second-order behaviors, studied as part of magnetohydrodynamics.Thus in the \"closed\" model of the magnetosphere, the magnetopause boundary between the magnetosphere and the solar wind is outlined by field lines. Not much plasma can cross such a stiff boundary. Its only \"weak points\" are the two polar cusps, the points where field lines closing at noon (-z axis GSM) get separated from those closing at midnight (+z axis GSM); at such points the field intensity on the boundary is zero, posing no barrier to the entry of plasma. (This simple definition assumes a noon-midnight plane of symmetry, but closed fields lacking such symmetry also must have cusps, by the fixed point theorem.)The amount of solar wind energy and plasma entering the actual magnetosphere depends on how far it departs from such a \"closed\" configuration, i.e. the extent to which Interplanetary Magnetic Field field lines manage to cross the boundary. As discussed further below, that extent depends very much on the direction of the Interplanetary Magnetic Field, in particular on its southward or northward slant.Trapping of plasma, e.g. of the ring current, also follows the structure of field lines. A particle interacting with this B field experiences a Lorentz Force which is responsible for many of the particle motion in the magnetosphere. Furthermore, Birkeland currents and heat flow are also channeled by such lines — easy along them, blocked in perpendicular directions. Indeed, field lines in the magnetosphere have been likened to the grain in a log of wood, which defines an \"easy\" direction along which it easily gives way.".
- Magnetosphere_particle_motion thumbnail Earths_Magnetic_Field_Confusion.svg?width=300.
- Magnetosphere_particle_motion wikiPageExternalLink ~kowocki.
- Magnetosphere_particle_motion wikiPageID "3597377".
- Magnetosphere_particle_motion wikiPageLength "10648".
- Magnetosphere_particle_motion wikiPageOutDegree "28".
- Magnetosphere_particle_motion wikiPageRevisionID "678256163".
- Magnetosphere_particle_motion wikiPageWikiLink Birkeland_current.
- Magnetosphere_particle_motion wikiPageWikiLink Category:Electromagnetism.
- Magnetosphere_particle_motion wikiPageWikiLink Category:Planetary_science.
- Magnetosphere_particle_motion wikiPageWikiLink Category:Space_plasmas.
- Magnetosphere_particle_motion wikiPageWikiLink Earths_magnetic_field.
- Magnetosphere_particle_motion wikiPageWikiLink Electron.
- Magnetosphere_particle_motion wikiPageWikiLink Fixed-point_theorem.
- Magnetosphere_particle_motion wikiPageWikiLink Guiding_center.
- Magnetosphere_particle_motion wikiPageWikiLink Gyroradius.
- Magnetosphere_particle_motion wikiPageWikiLink Hannes_Alfvén.
- Magnetosphere_particle_motion wikiPageWikiLink Henri_Poincaré.
- Magnetosphere_particle_motion wikiPageWikiLink Interplanetary_magnetic_field.
- Magnetosphere_particle_motion wikiPageWikiLink Ion.
- Magnetosphere_particle_motion wikiPageWikiLink Lorentz_force.
- Magnetosphere_particle_motion wikiPageWikiLink Magnetic_field.
- Magnetosphere_particle_motion wikiPageWikiLink Magnetic_mirror.
- Magnetosphere_particle_motion wikiPageWikiLink Magnetohydrodynamics.
- Magnetosphere_particle_motion wikiPageWikiLink Magnetopause.
- Magnetosphere_particle_motion wikiPageWikiLink Plasma_(physics).
- Magnetosphere_particle_motion wikiPageWikiLink Ring_current.
- Magnetosphere_particle_motion wikiPageWikiLink Solar_wind.
- Magnetosphere_particle_motion wikiPageWikiLink File:Currents.jpg.
- Magnetosphere_particle_motion wikiPageWikiLink File:Earth_ElectronParticle_thru_magnetosphere_small.JPG.
- Magnetosphere_particle_motion wikiPageWikiLink File:Earths_Magnetic_Field_Confusion.svg.
- Magnetosphere_particle_motion wikiPageWikiLink File:Plasma_fountain.gif.
- Magnetosphere_particle_motion wikiPageWikiLink File:Structure_of_the_magnetosphere-en.svg.
- Magnetosphere_particle_motion wikiPageWikiLinkText "Magnetosphere particle motion".
- Magnetosphere_particle_motion wikiPageUsesTemplate Template:Citation_needed.
- Magnetosphere_particle_motion wikiPageUsesTemplate Template:Clear.
- Magnetosphere_particle_motion wikiPageUsesTemplate Template:Magnetospherics.
- Magnetosphere_particle_motion wikiPageUsesTemplate Template:Main.
- Magnetosphere_particle_motion wikiPageUsesTemplate Template:Reflist.
- Magnetosphere_particle_motion wikiPageUsesTemplate Template:Unreferenced.
- Magnetosphere_particle_motion subject Category:Electromagnetism.
- Magnetosphere_particle_motion subject Category:Planetary_science.
- Magnetosphere_particle_motion subject Category:Space_plasmas.
- Magnetosphere_particle_motion type Astrophysic.
- Magnetosphere_particle_motion type Physic.
- Magnetosphere_particle_motion type Plasma.
- Magnetosphere_particle_motion type Sub-discipline.
- Magnetosphere_particle_motion comment "The ions and electrons of a plasma interacting with the Earth's magnetic field generally follow its magnetic field lines. These represent the force that a north magnetic pole would experience at any given point. (Denser lines indicate a stronger force.) Plasmas exhibit more complex second-order behaviors, studied as part of magnetohydrodynamics.Thus in the \"closed\" model of the magnetosphere, the magnetopause boundary between the magnetosphere and the solar wind is outlined by field lines.".
- Magnetosphere_particle_motion label "Magnetosphere particle motion".
- Magnetosphere_particle_motion sameAs Q6731684.
- Magnetosphere_particle_motion sameAs m.09nxgr.
- Magnetosphere_particle_motion sameAs Q6731684.
- Magnetosphere_particle_motion wasDerivedFrom Magnetosphere_particle_motion?oldid=678256163.
- Magnetosphere_particle_motion depiction Earths_Magnetic_Field_Confusion.svg.
- Magnetosphere_particle_motion isPrimaryTopicOf Magnetosphere_particle_motion.