Geomagnetic Pole
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Geomagnetic Pole
</dt>
Either of two antipodal points marking the intersection of the earth's
surface with the extended axis of a dipole assumed
to be located at the center of the earth and approximating the source of the
actual magnetic
field of the earth.
</dd>
That pole in the Northern Hemisphere (latitude, 78 1/2 degrees N;
longitude, 69 degrees W) is designated north geomagnetic pole, and that pole
in the Southern Hemisphere (latitude, 78 1/2 degrees S, longitude, 111 degrees
E) is designated south geomagnetic pole. The great circle midway between these
poles is called geomagnetic equator. The expression geomagnetic pole should
not be confused with magnetic pole, which relates to the actual magnetic field
of the earth. See geomagnetic
latitude.
</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
