<LI><A NAME="tex2html1" HREF="node2.html#15">Contours of the plasma flow speed and temperature in the 
magnetosheath [Spreiter et al., 1966; Cravens, 1997]. 
</A>
<LI><A NAME="tex2html2" HREF="node3.html#53">Schematic of the current layer which develops as a result of a thermal, unmagnetized 
plasma (left) interacting with a magnetized region (right) [Cravens, 1997]. The electrons and 
ions move on half a gyroorbit in the magnetized region, both species giving rise to a 
downward current perpendicular to the magnetic field. </A>
<LI><A NAME="tex2html3" HREF="node3.html#114">Schematic of the magnetic field produced by a current layer with line-integrated 
current density <I>K</I> [Cravens, 1997]. </A>
<LI><A NAME="tex2html4" HREF="node3.html#158">The main current systems flowing in Earth's magnetosphere [Stern, 1994], 
showing the magnetopause current system, ring current, and the cross-tail current. . 
</A>
<LI><A NAME="tex2html5" HREF="node3.html#162">Cross section of the global magnetosphere, showing the magnetopause current system, the 
cusps, the magnetotail, and the magnetotail current sheet [Hughes, 1995]. </A>
<LI><A NAME="tex2html6" HREF="node4.html#167">Schematic illustration of Earth's magnetotail, emphasizing the different plasma regions 
[Cravens, 1997]. Note the cusps, plasma mantle, tail lobes, plasmasheet, 
neutral sheet, ring current, radiation belts, plasmasphere, and auroral ovals. </A>
<LI><A NAME="tex2html7" HREF="node4.html#262">Noon-midnight cross section of the magnetosphere and geomagnetic tail [Hughes, 
1995]. Magnetic field lines are shown using solid lines while the dashed lines shows particles 
moving along the field subject to the  <IMG WIDTH=44 HEIGHT=20 ALIGN=MIDDLE ALT="tex2html_wrap_inline378" SRC="img1.gif"  >  drift for a solar wind convection 
field  <IMG WIDTH=11 HEIGHT=11 ALIGN=BOTTOM ALT="tex2html_wrap_inline380" SRC="img2.gif"  >  directed from dusk-to-dawn. </A>
<LI><A NAME="tex2html8" HREF="node4.html#189">Schematic of plasma regions in Earth's magnetosphere [Wolf, 1995]. Note the 
smooth transition from plasma mantle to tail lobe, the plasma sheet boundary layer, 
plasma sheet, radiation belts and ring current, and the plasmasphere. Note that geosynchronous 
orbit often lies close to the boundary of the plasmasphere and the plasmasheet. </A>
<LI><A NAME="tex2html9" HREF="node4.html#205">Illustration of why the ring current flows westward [Brand, 1999]. 
The figure also indicates why the ring current can depress the north-south magnetic field at Earth's 
surface but increase the effective field in the outer magnetosphere. </A>
