Parameter Amount Units Ref RPlanet 3.39E+06 m 1 tCrust 5.70E+04 m 2 RMantle = RPl – tCr 3.33E+06 m B4,5 dMantle = tMantle + tCr 1.76E+06 m 2 RCore = RPl – dMa 1.63E+06 m B4,7 VPlanet = 4πRPl 3/3 1.63E+20 m3 B4 VCrust = 4π(RPl – tCr/2) 2t Cr 8.09E+18 m3 B4,5 VMantle = 4π(RMa 3 – RCo 3)/3 1.37E+20 m3 B6,8 VCore = 4π(RCo 3)/3 1.81E+19 m3 B8 ρAverage = MPl/VPl 3934 kg/m3 B17,9 ρCrust 2900 kg/m3 3 ρMantle 3500 kg/m3 3 ρCore = MCo/VCo 7675 kg/m3 B17,9 MPlanet 6.42E+23 kg 1 MCrust = ρCrVCr 2.35E+22 kg B14,10 MMantle = ρMaVMa 4.79E+23 kg B15,11 MCore = MPl – MCr – MMa 1.39E+23 kg Table 1 - Crust Mantle and Core Masses STERNBERG Craters and cracks 2023 ICC 48
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