3 papers
astro-ph.IM2026
The ocean worlds science case for the Pollux spectropolarimeter
Vincent Hue, Bilal Benmahi, Mathieu Barthelemy +9
Pollux is a candidate European instrument contribution to the Habitable Worlds Observatory (HWO), designed to advance our understanding of the formation and evolution of cosmic str…
astro-ph.EP2025
On the Divergent Evolution of Io and Europa as Primordial Ocean Worlds
Yannis Bennacer, Olivier Mousis, Vincent Hue
The Galilean moons exhibit a decrease in bulk density with distance from Jupiter, which may reflect differences in evolutionary paths and water loss. Early in its history, Jupiter…
astro-ph.EP2025
Conditions for accretion favoring an unmelted Callisto and a differentiated Ganymede
Yannis Bennacer, Olivier Mousis, Marc Monnereau +2
Analysis of Callisto's moments of inertia, derived from Galileo's gravity data, suggests that its structure is not fully differentiated. This possibly undifferentiated state contra…