Large ocean worlds with high-pressure ices

B Journaux, K Kalousová, C Sotin, G Tobie… - Space Science …, 2020 - Springer
Pressures in the hydrospheres of large ocean worlds extend to ranges exceeding those in
Earth deepest oceans. In this regime, dense water ices and other high-pressure phases …

Iron snow, crystal floats, and inner-core growth: modes of core solidification and implications for dynamos in terrestrial planets and moons

D Breuer, T Rueckriemen, T Spohn - Progress in Earth and Planetary …, 2015 - Springer
Recent planetary space missions, new experimental data, and advanced numerical
techniques have helped to improve our understanding of the deep interiors of the terrestrial …

Heat transport and convective velocities in compositionally driven convection in neutron star and white dwarf interiors

JR Fuentes, A Cumming, M Castro-Tapia… - The Astrophysical …, 2023 - iopscience.iop.org
We investigate heat transport associated with compositionally driven convection driven by
crystallization at the ocean–crust interface in accreting neutron stars, or growth of the solid …

The thermal evolution of Mercury's Fe–Si core

JS Knibbe, W van Westrenen - Earth and Planetary Science Letters, 2018 - Elsevier
We have studied the thermal and magnetic field evolution of planet Mercury with a core of Fe–
Si alloy to assess whether an Fe–Si core matches its present-day partially molten state …

Geophysical characterization of the interiors of Ganymede, Callisto and Europa by ESA's JUpiter ICy moons Explorer

T Van Hoolst, G Tobie, C Vallat, N Altobelli… - Space Science …, 2024 - Springer
Abstract The JUpiter ICy moons Explorer (JUICE) of ESA was launched on 14 April 2023
and will arrive at Jupiter and its moons in July 2031. In this review article, we describe how …

Electrical resistivity of liquid Fe to 12 GPa: Implications for heat flow in cores of terrestrial bodies

RE Silber, RA Secco, W Yong, JAH Littleton - Scientific reports, 2018 - nature.com
Electrical and thermal transport properties of liquid Fe under high pressure have important
implications for the dynamics and thermal evolution of planetary cores and the geodynamo …

Experimental and simulation efforts in the astrobiological exploration of exooceans

RS Taubner, K Olsson-Francis, SD Vance… - Space Science …, 2020 - Springer
The icy satellites of Jupiter and Saturn are perhaps the most promising places in the Solar
System regarding habitability. However, the potential habitable environments are hidden …

Effects of particle size and background rotation on the settling of particle clouds

Q Kriaa, E Subra, B Favier, M Le Bars - Physical Review Fluids, 2022 - APS
We experimentally investigate the behavior of instantaneous localized releases of heavy
particles falling as turbulent clouds in quiescent water, both with and without background …

Dynamos in the inner solar system

SM Tikoo, AJ Evans - Annual Review of Earth and Planetary …, 2022 - annualreviews.org
Dynamo magnetic fields are primarily generated by thermochemical convection of
electrically conductive liquid metal within planetary cores. Convection can be sustained by …

Influence of sulfur on the electrical resistivity of a crystallizing core in small terrestrial bodies

A Pommier - Earth and Planetary Science Letters, 2018 - Elsevier
Electrical experiments were performed on core analogues in the Fe–S system and on FeSi 2
up to 8 GPa and 1850° C in the multi-anvil apparatus. Electrical resistivity was measured …