Open Access
Table 1
First-order polynomial coefficients derived to reproduce the M–R relationship 
as a function of planet composition for rocky and ice-rich planets: αM–R = a0 + a1x; βM–R = b0 + b1x.
| Rocky | Ice-rich | |
|---|---|---|
| (x = δFe) | (x = xice) | |
| αM–R | ||
| a0 | 0.987 | 0.997 |
| a1 | −0.055 | 0.432 |
| βM–R | ||
| b0 | 0.281 | 0.281 |
| b1 | −0.001 | −0.015 |
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