Atmospheric regimes and trends on exoplanets and brown dwarfs

X Zhang - Research in Astronomy and Astrophysics, 2020 - iopscience.iop.org
A planetary atmosphere is the outer gas layer of a planet. Besides its scientific significance
among the first and most accessible planetary layers observed from space, it is closely …

No snowball on habitable tidally locked planets with a dynamic ocean

JH Checlair, SL Olson, MF Jansen… - The Astrophysical …, 2019 - iopscience.iop.org
Terrestrial planets orbiting within the habitable zones of M-stars are likely to become tidally
locked in a 1: 1 spin: orbit configuration and are prime targets for future characterization …

ExoPlaSim: Extending the Planet Simulator for exoplanets

A Paradise, E Macdonald, K Menou… - Monthly Notices of the …, 2022 - academic.oup.com
The discovery of a large number of terrestrial exoplanets in the habitable zones of their stars,
many of which are qualitatively different from Earth, has led to a growing need for fast and …

Global stability properties of the climate: Melancholia states, invariant measures, and phase transitions

V Lucarini, T Bódai - Nonlinearity, 2020 - iopscience.iop.org
For a wide range of values of the intensity of the incoming solar radiation, the Earth features
at least two attracting states, which correspond to competing climates. The warm climate is …

Transition from eyeball to snowball driven by sea-ice drift on tidally locked terrestrial planets

J Yang, W Ji, Y Zeng - Nature Astronomy, 2020 - nature.com
Tidally locked terrestrial planets around low-mass stars are the prime targets for future
atmospheric characterizations of potentially habitable systems, especially the three nearby …

How surfaces shape the climate of habitable exoplanets

J Madden, L Kaltenegger - Monthly Notices of the Royal …, 2020 - academic.oup.com
Large ground-and space-based telescopes will be able to observe Earth-like planets in the
near future. We explore how different planetary surfaces can strongly influence the climate …

Finding signs of life in transits: High-resolution transmission spectra of Earth-line Planets around FGKM Host Stars

L Kaltenegger, Z Lin - The Astrophysical Journal Letters, 2021 - iopscience.iop.org
Thousands of transiting exoplanets have already been detected orbiting a wide range of
host stars, including the first planets that could potentially be similar to Earth. The upcoming …

Habitable Snowballs: Temperate Land Conditions, Liquid Water, and Implications for CO2 Weathering

A Paradise, K Menou, D Valencia… - Journal of Geophysical …, 2019 - Wiley Online Library
Habitable planets are commonly imagined to be temperate planets like Earth, with areas of
open ocean and warm land. In contrast, planets in snowball states, where oceans are …

CO2 Ocean Bistability on Terrestrial Exoplanets

RJ Graham, T Lichtenberg… - Journal of Geophysical …, 2022 - Wiley Online Library
Cycling of carbon dioxide between the atmosphere and interior of rocky planets can stabilize
global climate and enable planetary surface temperatures above freezing over geologic …

Climate diversity in the solar-like habitable zone due to varying background gas pressure

A Paradise, BL Fan, K Menou, C Lee - Icarus, 2021 - Elsevier
A large number of studies have responded to the growing body of confirmed terrestrial
habitable zone exoplanets by presenting models of various possible climates. However, the …