Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Microbiology & Virology, Polar / Alpine Expeditions, Sample Return
Monthly Archives: August 2025
Posted inAstrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Comets and Asteroids, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Impact events
Exploring Impact Vapor Plume Reactions from Asteroidal Impacts: Monte Carlo Simulations and Implications for Biomolecules Synthesis
![a, NIRCam false-colour image, where each colour channel was constructed by stacking NIRCam filters as annotated. The placement of the NIRSpec micro-shutters is shown in white (nearly identical across the all visits). Dashed coloured circles indicate the 0.3 "-diameter apertures used to extract the CIRC2 photometry. The [O iii] 88 µm emission and the MIRI/F560W image are overlaid with red and green contours respectively, both drawn at 3σ-4σ-5σ. A red (green) hatched ellipse shows the ALMA restoring beam (F560W point spread function). A horizontal bar indicates a physical scale of 1 kpc at z = 11.122. b, SEDs of the main component (A) of JADES-GS-z11- 0, as observed by NIRCam, MIRI, and NIRSpec/PRISM (Section 2.1), as well as the faint neighbouring source (B) whose photometry (filter curves drawn at the bottom) is consistent with having the same redshift. The best-fit bagpipes models are shown as solid (component A) and dashed (B) coloured lines, with squares indicating the model photometry. c, Best-fit model SFHs of the two components, with shading representing 1σ uncertainty. The dotted black line and grey shading illustrates the rising SFH prior based on dark matter halo accretion (see text for details), scaled to the stellar mass of component A. -- astro-ph.GA](https://astrobiology.newspackstaging.com/wp-content/uploads/2025/08/On-The-Origins-Of-Oxygen.png)
Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Exploration Gear & Tech, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Origin & Evolution of Life, ROVs/Submersibles/Diving, Sample Return