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C. Reos1a,

C. Reos1b,

. Cep-cms,

, Extended Data Fig. 1. Validation of the calculation of gravitational moments with the CEPAM method. The four panels provide a comparison of gravitational moments J 2 to J 10 calculated with various methods: CEPAM models with 241 radial layers (black points), CMS models with 800 layers (grey points, CEPAM models with 1041 layers