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Potential long-term habitable conditions on planets with primordial H-He atmospheres

Space Sciences

Potential long-term habitable conditions on planets with primordial H-He atmospheres

M. M. Lous, R. Helled, et al.

Dive into groundbreaking research by Marit Mol Lous, Ravit Helled, and Christoph Mordasini, which uncovers the long-term habitability potential of super-Earths with primordial H-He atmospheres. Their simulations reveal how certain planets can maintain life-friendly conditions for billions of years, challenging what we thought we knew about planetary habitability.

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Playback language: English
Abstract
This paper investigates the long-term habitability potential of super-Earths retaining primordial H-He atmospheres. Simulations show that planets with masses of ~1–10 Earth masses can maintain temperate surface conditions for 5–8 billion years at distances beyond ~2 AU, requiring specific envelope masses. This challenges the classical definition of planetary habitability.
Publisher
Nature Astronomy
Published On
Jul 27, 2022
Authors
Marit Mol Lous, Ravit Helled, Christoph Mordasini
Tags
super-Earths
habitability
H-He atmospheres
planetary conditions
long-term simulations
envelope masses

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