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. 2020 Jan 26;10(2):10. doi: 10.3390/life10020010

Table 2.

RSI analysis for Mars and various sample exoplanets compared to Earth where R = radius, ρ = density, T = surface temperature, Ve = escape velocity, P = pressure, Rev = revolution, RSII = Interior Rock Similarity Index, RSIS = Surface Rock Similarity Index, RSI = Global Rock Similarity Index.

Planet R (EU) ρ (EU) T (K) Ve (EU) P (EU) Rev (Days) RSII RSIS RSI
Earth 1.00 1.00 288 1.00 1.00 1.00 1.00 1.00 1.00
Mars 0.532 0.713 218 0.45 0.99 0.97 0.81 0.83 0.82
Proxima Cen.-b 1.12 0.9 263.9 0.97 0.99 0.14 0.95 0.59 0.75
GJ 667Cc 1.4 0.99 286.4 1.39 2.7 0.24 0.92 0.66 0.78
Kepler-296e 1.48 1.03 306.6 1.07 1.1 0.27 0.93 0.68 0.79