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Not All Sub-Neptune Exoplanets Have Magma Oceans

Bodie Breza, Matthew C. Nixon, Eliza M.-R. Kempton • The Astrophysical Journal Letters (2025)

The evolution and structure of sub-Neptunes may be strongly influenced by interactions between the outer gaseous envelope of the planet and a surface magma ocean. However, given the wide variety of permissible interior structures of these p...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/ae0c07

Asteroseismology of the Nearby K Dwarf σ Draconis Using the Keck Planet Finder and TESS

Marc Hon, Daniel Huber, Yaguang Li, Travis S. Metcalfe et al. • The Astrophysical Journal (2024)

Asteroseismology of dwarf stars cooler than the Sun is very challenging owing to the low amplitudes and rapid timescales of oscillations. Here we present the asteroseismic detection of solar-like oscillations at 4-minute timescales ( ${\nu ...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/ad76a9

A Computational Quantum-Based Perspective on the Molecular Origins of Life’s Building Blocks

Gabriele Amante, Judit E. Sponer, Jiri Sponer, Franz Saija et al. • Entropy (2022)

The search for the chemical origins of life represents a long-standing and continuously debated enigma. Despite its exceptional complexity, in the last decades the field has experienced a revival, also owing to the exponential growth of the...

DOAJ Open Access (DOAJ) DOI: 10.3390/e24081012