Editor’s note: The National Academy’s Committee on Astrobiology and Planetary Sciences Autumn 2026 Meeting is being held 6-8 October Tuesday – Thursday this week. According to the agenda there are a ...
GA] Sulfur (S) chemistry in the interstellar medium remains poorly constrained due to the longstanding “missing sulfur” ...
Comets can supply volatile and prebiotic material to rocky planets, but survival of fragile molecules depends on atmospheric entry and impact.
It is widely accepted that water vapor forms clouds by heterogeneous nucleation (condensation on pre-existing dry nuclei).
GA] Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in the interstellar medium and are among its smallest carbonaceous ...
Chondrule sizes are an important discriminant of chondrite groups and chondrule formation theories. Yet most studies report ...
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