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sci.planet-habitability-HZ Calculator
Calculates the circumstellar habitable zone boundaries using stellar luminosity and effective temperature based on climate model estimates. Inner edge of Earth's HZ is ≈ 0.95 AU (runaway greenhouse); outer edge ≈ 1.37 AU (maximum greenhouse) — 5,000+ confirmed exoplanets include over 50 in their star's HZ.
Inputs
L Star Solar
Reference formula or conversion factor shown for context.
T Star K
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Albedo Planet
Reference formula or conversion factor shown for context.
Results
habitable zone inner edge (AU)
Sample size or count used in the calculation.
habitable zone outer edge (AU)
Sample size or count used in the calculation.
equilibrium temperature at HZ center (K)
The value at the specified point or condition.
Earth-equivalent orbit (AU)
Sample size or count used in the calculation.
HZ = √(L/S) (AU)
Reference formula or conversion factor shown for context.