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Long-Term Exoplanet Habitability: How Chance Favors Prokaryotes
  • Joseph Evans,
  • Manasvi Lingam,
  • Jeremy Riousset
Joseph Evans
Florida Institute of Technology

Corresponding Author:[email protected]

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Manasvi Lingam
Florida Institute of Technology
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Jeremy Riousset
Florida Institute of Technology
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Abstract

We utilize the Planet Model Code [1] to model the probability of survival of Earth-like life on habitable worlds (to 3 billion years post-abiogenesis). The Planet Model Code [1] was originally created by Tyrrell [2] to investigate the chances of intelligent life. This necessitates stability in a rather narrow temperature range. Here we expand the focus to the survival of any life, including extremophiles, with greater tolerance for variations in temperature. Specifically, we investigate the relationship between the long-term survival probability of life and larger temperature variations. Keywords: Exoplanet; Habitable; Prokaryote; Matlab; Planet Model Code References: 1. T. Tyrrell, Planets model code, (Oct. 2020) https://doi.org/10.5281/zenodo.4081451. 2. T. Tyrrell, “Chance played a role in determining whether earth stayed habitable”, Commu- nications Earth & Environment 1, 1–10 (2020).