A whole-planet model of the Earth without life for terrestrial exoplanet studies

arXiv:2602.02267 · astro-ph.EP · Submitted 2026-02-02 · Read on arXiv

astro-ph.EP

Submitted: 2026-02-02

Updated: 2026-08-24

Comments: 42 pages, 9 figures, 5 tables, 2 appendices, accepted at The Planetary Science Journal

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 137× in this paper · explained in 2 episodes
• Abundance — 40× in this paper · explained in 1 episode
• Archean — 6× in this paper · explained in 1 episode
• Habitable Worlds Observatory — 5× in this paper
• Trace — 4× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Surface Ocean Total Dissolved Inorganic Carbon — 1× in this paper
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• Explicit cloud representation in the Atmos 1D climate model for Earth and rocky planet applications
• Habitable Worlds Observatory's Concept and Technology Maturation: Initial Feasibility and Trade Space Exploration
• Detecting Earth-like Biosignatures on Rocky Exoplanets around Nearby Stars with Ground-based Extremely Large Telescopes
• SciPy 1.0--Fundamental Algorithms for Scientific Computing in Python
• Inferring Chemical Disequilibrium Biosignatures for Proterozoic Earth-Like Exoplanets

Related papers

• PDS 70 c and SR 12 c: Observational Constraints on Giant-Planet and Satellite Formation
• Gravitational Microlensing
• Two-stage disruption of resonant chains
• Detectability of resolved hydrogen lines from the accretion shock at gas giants and their CPDs
• Binary-lens Microlensing Degeneracy: Impact on Planetary Sensitivity and Mass-ratio Function
• Atmospheric escape fractionates secondary but not primary atmospheres