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Cette carte conceptuelle, cree avec IHMC CmapTools, contient des informations liees a : Gravity Field, Mars has Polar Radius: ~3380 km Equatorial Radius: ~3415 km, Core may be Solid, Planetary Gravity Field determined by Rate of Rotation: Spin, Slow like Mercury, Topography provide information about Internal Structure:, Slow like Venus, More Ellipsoidal: "Oblate Spheroid" e.g. Polar Radius: ~3380 km Equatorial Radius: ~3415 km, Mass Distribution exhibits Stratification, Variations in Orbital Motion of Natural & Artificial Satellites are measured by Radio Tracking, Internal Structure: includes Mass Distribution, Crust varies in Density, Telescopic Tracking was first applied to Mars, Internal Structure: includes Physical State, Planetary Gravity Field provide information about Internal Structure:, Topography is measured by Radio Tracking of Orbiter Occultations, Slow leads to Greater Spherical Symmetry, Physical State may be Liquid, Stratification into Mantle, Planetary Gravity Field and Topography, Slow like Moon