From stars to diverse mantles, melts, crusts, and atmospheres of rocky exoplanets

CM Guimond, H Wang, F Seidler… - … in Mineralogy and …, 2024 - pubs.geoscienceworld.org
The advent of radial velocity (RV) and transit photometry method has resulted in the
detection of more than 5000 exoplanets since 1995. Of these detected planets, a significant …

The distribution of volatile elements during rocky planet formation

TA Suer, C Jackson, DS Grewal, C Dalou… - Frontiers in Earth …, 2023 - frontiersin.org
Core segregation and atmosphere formation are two of the major processes that redistribute
the volatile elements—hydrogen (H), carbon (C), nitrogen (N), and sulfur (S)—in and around …

Rocky planet or water world? Observability of low-density lava world atmospheres

AAA Piette, P Gao, K Brugman, A Shahar… - The Astrophysical …, 2023 - iopscience.iop.org
Super-Earths span a wide range of bulk densities, indicating a diversity in interior conditions
beyond that seen in the solar system. In particular, an emerging population of low-density …

Interior dynamics of super-Earth 55 Cancri e

TG Meier, DJ Bower, T Lichtenberg… - Astronomy & …, 2023 - aanda.org
The ultra-short-period super-Earth 55 Cancri e has a measured radius of 1.88 Earth radii.
Previous thermal phase curve observations suggest a strong temperature contrast between …

The effect of a small amount of hydrogen in the atmosphere of ultrahot magma-ocean planets: Atmospheric composition and escape

S Charnoz, A Falco, P Tremblin, P Sossi… - Astronomy & …, 2023 - aanda.org
Context. Ultrahot (> 1500 K) rocky exoplanets may be covered by a magma ocean, resulting
in the formation of a vapor rich in rocky components (eg, Mg, Si, Fe) with a low total pressure …

Impact of oxygen fugacity on the atmospheric structure and emission spectra of ultra-hot rocky exoplanets

FL Seidler, PA Sossi, SL Grimm - Astronomy & Astrophysics, 2024 - aanda.org
Context. Atmospheres above lava-ocean planets (LOPs) hold clues related to the properties
of their interiors, based on the expectation that the two reservoirs are in chemical …

Magma ocean evolution at arbitrary redox state

H Nicholls, T Lichtenberg, DJ Bower… - Journal of …, 2024 - Wiley Online Library
Interactions between magma oceans and overlying atmospheres on young rocky planets
leads to an evolving feedback of outgassing, greenhouse forcing, and mantle melt fraction …

The early Earth as an analogue for exoplanetary biogeochemistry

EE Stüeken, SL Olson, E Moore… - … in Mineralogy and …, 2024 - pubs.geoscienceworld.org
Planet Earth has evolved over the past 4.5 billion years from an entirely anoxic planet with
possibly a different tectonic regime to the oxygenated world with horizontal plate tectonics …

LavAtmos: An open‐source chemical equilibrium vaporization code for lava worlds

CPA Van Buchem, Y Miguel, M Zilinskas… - 2023 - Wiley Online Library
To date, over 500 short‐period rocky planets with equilibrium temperatures above 1500 K
have been discovered. Such planets are expected to support magma oceans, providing a …

Chemical evolution of an evaporating lava pool

A Curry, S Mohanty, JE Owen - Monthly Notices of the Royal …, 2025 - academic.oup.com
Many known rocky exoplanets are so highly irradiated that their dayside surfaces are
molten, and 'silicate atmospheres', composed of rock-forming elements, are generated …