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Unformatted text preview: (gamma). Thus: where R M and B M are the distance (radial) to, and magnetic field at, the Magnetopause, and R e and B E the distance to and magnetic field at, the earth's surface at the same latituh's surface at the same latitude. For an equatorial position (i.e. [psi]=0), B E is the equatorial field strength. Putting in the relevant values gives a standoff distance on this simple calculation of about 11R E . In general we have: A further complication is that the flow of solar wind is supersonic, and so there is a shock wave produced (the "bow shock") in front of the magnetopause, and a region of shocked flow between them:...
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This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.
 Fall '10
 EmilyHoward
 Astronomy

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