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Eos is a newly discovered molecular cloud sitting just 94 pc from the Sun. It was detected through the far-UV emission of H2, having been missed in conventional molecular gas surveys due to a low abundance of common gas tracers. Burkhart et al.: bit.ly/42O4TBF

Measurements of the orbital eccentricities of exoplanets with similar sizes and irradiation to Earth show that these worlds further resemble Earth with near-circular orbits, removing a potential barrier to life. Kipping et al.: bit.ly/3RF71GP or bit.ly/44I0GC8

Observations show that the occurrence of ultra-short-period planets increases with age and their system architecture evolves on billion-year timescales, providing new constraints on the formation and evolution of these lava worlds. Tu et al.: bit.ly/4jpvsnT

820 and counting...

Astrophysicist Paolo Padoan may have solved one of astronomy’s biggest mysteries: why some planet-forming disks are so big. His new study, published in Nature Astronomy, offers a fresh answer and could reshape how we understand star and planet creation. bit.ly/4m13wbO

The cascade of kinetic and magnetic energy from large to small scales in galactic-style turbulence behaves significantly different to the theoretical models that we usually assume work. nature.com/articles/s4155… Published in Nature Astronomy.

Evaporation, condensation, precipitation on my mind. This is the (methane?!) cycle, and it happens all the time! 🎶 Webb provided evidence for cloud convection on Saturn’s moon Titan, the only other place in our solar system with weather like Earth! go.nasa.gov/42UZha8

Nixon et al. present JWST and Keck II observations of Titan, detecting CH3 and non-LTE emission of CO & CO2. Imaging revealed clouds in Titan’s northern hemisphere at multiple epochs, with some appearing to evolve in altitude. bit.ly/4jVTnf5 / bit.ly/3S5WUen

Extremely high-resolution simulations reveal that interstellar medium-type turbulence significantly deviates from classical magnetized turbulence models. Dr. James Beattie et al.: bit.ly/42Z1wJF / bit.ly/42Zfjjl Princeton University Canadian Institute for Theoretical Astrophysics Science & Medicine at ANU LRZ

By fusing constraints from satellite dynamics and spin angular momentum, Konstantin Batygin & Adams show that young Jupiter had a radius twice its current value, a ~21 mT magnetic field, and was accreting material at a rate of one Jupiter mass per million years. bit.ly/45jEbUg

Hydrogen escape contributed to Mars' progressive aridity, but current H-loss rates cannot explain inferred past water abundances. A 3D model shows that during periods of increased axis tilt H-loss rates were up to 10x higher than at present. bit.ly/43iGQMV IAA-CSIC