Research Article
The Faint Young Sun Paradox: A Simplified Thermodynamic Approach
Table 4
Possible scenarios of ancient surface temperatures for Mars under maximum ecological function conditions.
| Albedo | Greenhouse coefficient | Solar constant (normalized) | Time BP () | Surface temperature, () |
| 0.0 | 0.2 | 0.9 | 1.277 | 273.4 | 0.0 | 0.3 | 0.8 | 2.875 | 273.9 | 0.1 | 0.3 | 0.9 | 1.310 | 274.0 | 0.1 | 0.4 | 0.9 | 3.631 | 273.1 | 0.2 | 0.3 | 0.99 | 0.116 | 273.2 | 0.2 | 0.4 | 0.86 | 1.872 | 273.4 | 0.2 | 0.5 | 0.73 | 4.25 | 273.7 | 0.3 | 0.4 | 0.98 | 0.234 | 273.2 | 0.3 | 0.5 | 0.83 | 2.355 | 273.3 | 0.4 | 0.6 | 0.8 | 2.875 | 274.1 |
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