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Table 2
Independent best estimates of model parameters for terrestrial solar system planets.
| Planet | Si⊚ [wt%] | Fe/Si⊚ | Mg/Si⊚ | Rc [km] | Reference |
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|
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| Earth | 22 | 0.17 | 0.83 | 3400 | PREM |
| Moon | 23 | 0.4–0.47 | 0.8 | 310–320 | Kuskov & Kronrod (2001) |
| Mars | 21 | 0.64 | 0.97 | 1680 | Khan & Connolly (2008) |
| Venus | – | – | – | 3100 | Aitta et al. (2012) |
| Mercury | – | – | – | 2020 | Padovan et al. (2014), Hauck et al. (2013) |
Notes. The preliminary reference Earth model (PREM) refers to Dziewonski & Anderson (1981).
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