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Related papers: ExoCAM: A 3D Climate Model for Exoplanet Atmospher…

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Terrestrial planets in the Habitable Zone of Sun-like stars are priority targets for detection and observation by the next generation of space telescopes. Earth's long-term habitability may have been tied to the geological carbon cycle, a…

Earth and Planetary Astrophysics · Physics 2024-12-12 Antonin Affholder , Stéphane Mazevet , Boris Sauterey , Daniel Apai , Régis Ferrière

EChOSim is the end-to-end time-domain simulator of the Exoplanet Characterisation Observatory (EChO) space mission. EChOSim has been developed to assess the capability EChO has to detect and characterize the atmospheres of transiting…

The Trappist-1 planets provide a unique opportunity to test the current understanding of rocky planet evolution. The James Webb Space Telescope is expected to characterize the atmospheres of these planets, potentially detecting CO$_2$, CO,…

Earth and Planetary Astrophysics · Physics 2022-07-12 Joshua Krissansen-Totton , Jonathan J. Fortney

The James Webb Space Telescope (JWST) will offer the first opportunity to characterize terrestrial exoplanets with sufficient precision to identify high mean molecular weight atmospheres, and TRAPPIST-1's seven known transiting Earth-sized…

Earth and Planetary Astrophysics · Physics 2019-06-26 Jacob Lustig-Yaeger , Victoria S. Meadows , Andrew P. Lincowski

Transmission spectroscopy is one of the premier methods used to probe the temperature, composition, and cloud properties of exoplanet atmospheres. Recent studies have demonstrated that the multidimensional nature of exoplanet atmospheres --…

Earth and Planetary Astrophysics · Physics 2022-04-20 Ryan J. MacDonald , Nikole K. Lewis

We present a large ensemble of simulations of an Earth-like world with increasing insolation and rotation rate. Unlike previous work utilizing idealized aquaplanet configurations we focus our simulations on modern Earth-like topography. The…

Earth and Planetary Astrophysics · Physics 2018-12-12 M. J. Way , A. D. Del Genio , I. Aleinov , T. L. Clune , M. Kelley , N. Y. Kiang

Planets residing in circumstellar habitable zones (CHZs) offer our best opportunities to test hypotheses of life's potential pervasiveness and complexity. Constraining the precise boundaries of habitability and its observational…

Earth and Planetary Astrophysics · Physics 2019-12-25 Howard Chen , Eric T. Wolf , Zhuchang Zhan , Daniel E. Horton

A planet's spectrum is dynamic and only represents a time-dependent snapshot of its properties. Changing atmospheric conditions due to climate and weather patterns, particularly variation in cloud cover, can significantly affect the…

Earth and Planetary Astrophysics · Physics 2025-03-13 Soumil Kelkar , Prabal Saxena , Ravi Kopparapu , Joy Monteiro

Our ability to observe, detect, and characterize exoplanetary atmospheres has grown by leaps and bounds over the last 20 years, aided largely by developments in astronomical instrumentation; improvements in data analysis techniques; and an…

Earth and Planetary Astrophysics · Physics 2025-09-17 Nikolai Piskunov , Adam D. Rains , Linn Boldt-Christmas

New observational facilities are beginning to enable insights into the three-dimensional (3D) nature of exoplanets. Transmission spectroscopy is the most widely used method for characterizing transiting temperate exoplanet's atmospheres,…

Earth and Planetary Astrophysics · Physics 2025-04-24 Nicholas Scarsdale , C. E. Harman , Thomas J. Fauchez

Detailed characterization of an extrasolar planet's atmosphere provides the best hope for distinguishing the makeup of its outer layers, and the only hope for understanding the interplay between initial composition, chemistry, dynamics &…

Earth and Planetary Astrophysics · Physics 2016-03-09 Ian J. M. Crossfield

The Large Interferometer For Exoplanets (LIFE) initiative aims to develop a space based mid-infrared (MIR) nulling interferometer to measure the thermal emission spectra of temperate terrestrial exoplanets. We investigate how well LIFE…

Ozone ($\textrm{O}_3$) is important for the survival of life on Earth because it shields the surface from ionising ultraviolet (UV) radiation. However, the existence of $\textrm{O}_3$ in Earth's atmosphere is not always beneficial.…

Earth and Planetary Astrophysics · Physics 2024-05-31 G. J. Cooke , D. R. Marsh , C. Walsh , F. Sainsbury-Martinez

The Large Interferometer For Exoplanets (LIFE) initiative is developing the science and a technology roadmap for an ambitious space mission featuring a space-based mid-infrared (MIR) nulling interferometer in order to detect the thermal…

An important future goal in exoplanetology is to detect and characterize potentially habitable planets. Using nulling interferometry, LIFE will allow us to constrain the radius and effective temperature of (terrestrial) exoplanets, as well…

The discovery and characterization of Earth-sized planets that are in, or near, a tidally-locked state are of crucial importance to understanding terrestrial planet evolution, and for which Venus is a clear analog. Exoplanetary science lies…

Earth and Planetary Astrophysics · Physics 2022-04-22 Stephen R. Kane

The first opportunity to detect indications for life outside the Solar System may be provided already within the next decade with upcoming missions such as the James Webb Space Telescope (JWST), the European Extremely Large Telescope…

Detecting and characterising exoplanet atmospheres remains challenging because atmospheric signals can be comparable to residual noise and instrumental/astrophysical systematics. Spectral features span from a few ppm for small planets up to…

The growing field of exoplanetary atmospheric modelling has seen little work on standardised benchmark tests for its models, limiting understanding of the dependence of results on specific models and conditions. With spatially resolved…

Earth and Planetary Astrophysics · Physics 2015-06-11 V. L. Bending , S. R. Lewis , U. Kolb

In the recent years, retrieval analysis of exoplanet atmospheres have been very successful, providing deep insights on the composition and the temperature structure of these worlds via the transit and eclipse methods. Analysis of spectral…

Earth and Planetary Astrophysics · Physics 2020-08-12 Quentin Changeat , Ahmed F. Al-Refaie