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 …

Exoplanet Geology: What can we learn from current and future observations?

BJ Foley - Reviews in Mineralogy and Geochemistry, 2024 - pubs.geoscienceworld.org
OVERVIEW Nearly 30 years after the discovery of the first exoplanet around a main
sequence star, thousands of planets have now been confirmed. These discoveries have …

New mass and radius constraints on the LHS 1140 planets: LHS 1140 b is either a temperate mini-Neptune or a water world

C Cadieux, M Plotnykov, R Doyon… - The Astrophysical …, 2024 - iopscience.iop.org
The two-planet transiting system LHS 1140 has been extensively observed since its
discovery in 2017, notably with Spitzer, HST, TESS, and ESPRESSO, placing strong …

A mineralogical reason why all exoplanets cannot be equally oxidizing

CM Guimond, O Shorttle, S Jordan… - Monthly Notices of the …, 2023 - academic.oup.com
From core to atmosphere, the oxidation states of elements in a planet shape its character.
Oxygen fugacity () is one parameter indicating these likely oxidation states. The ongoing …

Planet formation throughout the Milky Way-Planet populations in the context of Galactic chemical evolution

J Nielsen, MR Gent, M Bergemann, P Eitner… - Astronomy & …, 2023 - aanda.org
As stellar compositions evolve over time in the Milky Way, so will the resulting planet
populations. In order to place planet formation in the context of Galactic chemical evolution …

The Star–Planet Composition Connection

JK Teske - Annual Review of Astronomy and Astrophysics, 2024 - annualreviews.org
The mantra “know thy star, know thy planet” has proven to be very important for many
aspects of exoplanet science. Here I review how stellar abundances inform our …

The chemical evolution of the solar neighbourhood for planet-hosting stars

M Pignatari, TCL Trueman, KA Womack… - Monthly Notices of …, 2023 - academic.oup.com
Theoretical physical-chemical models for the formation of planetary systems depend on data
quality for the Sun's composition, that of stars in the solar neighbourhood, and of the …

Eta-Earth revisited II: Deriving a maximum number of Earth-like habitats in the Galactic Disk

M Scherf, H Lammer, L Spross - Astrobiology, 2024 - liebertpub.com
In Lammer et al.(2024), we defined Earth-like habitats (EHs) as rocky exoplanets within the
habitable zone of complex life (HZCL) on which Earth-like N2-O2-dominated atmospheres …

Linking the primordial composition of planet building disks to the present-day composition of rocky exoplanets

V Adibekyan, M Deal, C Dorn, I Dittrich… - Astronomy & …, 2024 - aanda.org
Context. The composition of rocky planets is strongly driven by the primordial materials in
the protoplanetary disk, which can be inferred from the abundances of the host star …

Mantle mineralogy limits to rocky planet water inventories

CM Guimond, O Shorttle… - Monthly Notices of the …, 2023 - academic.oup.com
Nominally anhydrous minerals in rocky planet mantles can sequester multiple Earth-oceans'
worth of water. Mantle water storage capacities therefore provide an important constraint on …