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Related papers: The Atmospheres of Extrasolar Planets

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Stellar activity can reveal itself in the form of radiation (eg, enhanced X-ray coronal emission, flares) and particles (eg, winds, coronal mass ejections). Together, these phenomena shape the space weather around (exo)planets. As stars…

Earth and Planetary Astrophysics · Physics 2022-11-29 A. A. Vidotto

Relatively long-period nonsynchronized planets---such as warm Jupiters---potentially retain the primordial rotation, eccentricity, and obliquity that might encapsulate information on planetary climate and formation processes. To date, there…

Earth and Planetary Astrophysics · Physics 2019-03-20 Kazumasa Ohno , Xi Zhang

The recent detections of temperate terrestrial planets orbiting nearby stars and the promise of characterizing their atmospheres motivates a need to understand how the diversity of possible planetary parameters affects the climate of…

Earth and Planetary Astrophysics · Physics 2019-02-13 Thaddeus D. Komacek , Dorian S. Abbot

Understanding the origin and long-term evolution of the Solar System is a fundamental goal of planetary science and astrophysics. This chapter describes our current understanding of the key processes that shaped our planetary system,…

Earth and Planetary Astrophysics · Physics 2024-04-24 Sean N. Raymond

It is difficult to study the interiors of terrestrial planets in the Solar System and the problem is magnified for distant exoplanets. However, sometimes nature is helpful. Some planetary bodies are torn to fragments and consumed by the…

Earth and Planetary Astrophysics · Physics 2021-09-14 Siyi Xu , Amy Bonsor

Atmospheric spectroscopy provides a window into the properties of exoplanets. However, the physical interpretation of retrieved data and its implications for the internal properties of exoplanets remains nebulous. This letter addresses…

Earth and Planetary Astrophysics · Physics 2024-06-24 Darius Modirrousta-Galian , Riccardo Spinelli , Antonio Jimenez-Escobar

The disciplines of asteroseismology and extrasolar planet science overlap methodically in the branch of high-precision photometric time series observations. Light curves are, amongst others, useful to measure intrinsic stellar variability…

Solar and Stellar Astrophysics · Physics 2010-05-20 Sonja Schuh

Thousands of exoplanets have been discovered and the search for life outside Earth is at the forefront of astrophysical research. The planets we observe show a mind-blowing diversity that current theories strive to explain as part of the…

Popular Physics · Physics 2020-03-18 Barbara Ercolano

Mars is the Solar System's canonical small, rocky planet that transitioned from early geologic activity and surface liquid water to a cold and arid planet with a thin, cold, CO$_2$-dominated atmosphere. The evolution of Mars, in the context…

This chapter reviews the most recent advancements on the topic of terrestrial and giant planet interiors, including Solar System and extrasolar objects. Starting from an observed mass-radius diagram for known planets in the Universe, we…

Earth and Planetary Astrophysics · Physics 2015-06-18 I. Baraffe , G. Chabrier , J. Fortney , C. Sotin

Many parameters constraining the spectral appearance of exoplanets are still poorly understood. We therefore study the properties of irradiated exoplanet atmospheres over a wide parameter range including metallicity, C/O ratio and host…

Earth and Planetary Astrophysics · Physics 2015-11-04 Paul Mollière , Roy van Boekel , Cornelis Petrus Dullemond , Thomas Henning , Christoph Mordasini

We have recently hit the milestone of 5,000 exoplanets discovered. In stark contrast with the Solar System, most of the exoplanets we know to date orbit extremely close to their host stars, causing them to lose copious amounts of gas…

Earth and Planetary Astrophysics · Physics 2022-11-30 Leonardo A. Dos Santos

The study of planets outside our solar system may lead to major advances in our understanding of the Earth, and provide insight into the universal set of rules by which planets form and evolve. To achieve these goals requires applying…

Earth and Planetary Astrophysics · Physics 2021-08-20 Oliver Shorttle , Natalie Hinkel , Cayman Unterborn

Theoretical arguments and observations suggest that the atmospheres of Brown Dwarfs and planets are very dynamic on chemical and on physical time scales. The modelling of such substellar atmospheres has, hence, been much more demanding than…

Solar and Stellar Astrophysics · Physics 2010-12-15 Ch. Helling , E. Pedretti , S. Berdyugina , A. A. Vidotto , B. Beeck , E. Baron , A. P. Showman , E. Agol , D. Homeier

The study of extrasolar planets and of the Solar System provides complementary pieces of the mosaic represented by the process of planetary formation. Exoplanets are essential to fully grasp the huge diversity of outcomes that planetary…

High-resolution spectroscopy (HRS) has grown into one of the main techniques to characterise the atmospheres of extrasolar planets. High spectral resolving power allows for the efficient removal of telluric and host-star contamination.…

Earth and Planetary Astrophysics · Physics 2025-05-15 Ignas Snellen

Observations using the Spitzer Space Telescope provided the first detections of photons from extrasolar planets. Spitzer observations are allowing us to infer the temperature structure, composition, and dynamics of exoplanet atmospheres.…

Astrophysics · Physics 2009-11-13 Drake Deming

The atmospheres within our Solar System can be categorized into four distinct climate regimes: "terrestrial", "Jovian", "condensable", and "exosphere". Beyond the three terrestrial planets (excluding Mercury) and the four giant planets,…

Earth and Planetary Astrophysics · Physics 2024-10-08 Xi Zhang

Astrophysical research into exoplanets has delivered thousands of confirmed planets orbiting distant stars. These planets span a wide ranges of size and composition, with diversity also being the hallmark of system configurations, the great…

We give a popular account of the present state of the research in the field of extra-solar planetary systems, popularly termed as exoplanets, with a brief overview of the techniques employed. We also discuss the question of habitability and…

Popular Physics · Physics 2014-10-29 Priyanka Chaturvedi , Ashok K Singal
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