Radial component of the magnetic field on Earth and Mars

Radial component of the magnetic field on Earth and Mars
Radial component of the magnetic field on Earth and Mars On Earth, the radial component of the magnetic field is strongest near the surface at the poles, negative at one pole and positive at the other (top). On a Mars where the core-mantle boundary is hotter in the northern hemisphere than the southern hemisphere, the dynamo generates a strong magnetic field only in the south (bottom). Stanley et al., Science, 2008

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