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知道地球磁场的single dipole moment Mx, Mz,My如何求 相交的位置, t0 i. _3 T" i
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- A3 A2 q& r+ c: P; f* t(2) The Earth’s main magnetic field at the surface (radius = 6371 km) can be approximated by a single dipole moment at the Earth's centre with the following (x,y,z) components:# d5 k9 J3 k& m) _8 l
% ]! [9 d1 @# pmz = -7.7 x 1022 A m2, mx = -0.479 x 1022 A m2, my = 1.399 x 1022 A m2.: z# R/ S: f* i/ ^) \$ k/ V9 l
: ?& |% H, H& V7 P" N, P
Calculate the location (latitude, longitude) where the axis of this dipole field intersects the Earth's surface (i.e. where the magnetic field is locally purely vertical and upward).
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