October 2024 – Page 2 – My WordPress Site

Miranda -- NASA

Astrogeology, Biosignatures & Paleobiology, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Miranda, Uranus, Water/Hycean Worlds & Oceanography

Uranus’ Moon Miranda May Have An Ocean Beneath Its Surface

by Keith CowingOctober 30, 2024

Giant Meteorite Impact -- Grok via Astrobiology.com

Astrogeology, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Fossils & Paleontology, Habitable Zones, Impact events, Mapping, Geodesy, Cartography, Meteorites & Asteroids

Effect Of A Giant Meteorite Impact On Paleoarchean Surface Environments And Life

by Keith CowingOctober 30, 2024October 30, 2024

a) Potential array layout of an Extended VLTI configuration, using the hills sourrounding the existing infrastructure of Paranal. b) Brown-dwarf and exoplanet radii in our Solar system neighborhood which could be resolved by a kilometer baseline interferometer. -- astro-ph.IM

Astronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy

Kilometer-baseline Interferometry: Science Drivers For The Next Generation Instrument

by Keith CowingOctober 30, 2024October 30, 2024

Astrogeology, Enceladus, Europa, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Water/Hycean Worlds & Oceanography

Modifications Of SPH Towards Three-dimensional Simulations Of An Icy Moon With Internal Ocean

by Keith CowingOctober 30, 2024October 30, 2024

Reprocessed images show the true colors of Uranus (left) and Neptune. — University of Oxford

Astrochemistry, Astrogeology, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Ice Giant, Icy Worlds, Neptune, Uranus, Water/Hycean Worlds & Oceanography

H2-H2O Demixing In Uranus And Neptune: Adiabatic Structure Models

by Keith CowingOctober 30, 2024May 12, 2025

a Temporal transition of hydrous minerals, Fe abundance28,55, climate and redox on Mars. b Spatial distribution of clays-rich paleosols56 (pink cycles), sulfates57 (blue squares), and Fe depletion region13 (dark red area) on a Mars global map produced by Tanaka et al. (2014) 35 (https://pubs.usgs.gov/sim/3292/). The distance from 0 to 60°N/60°S is 3550 km. For each latitude of 90°, the distance is 5330 km in the equatorial region, but it decreases to 2430 km at 60°N/ 60°S. -- Science

Astrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Mars

Atmospheric Oxidation Drove Climate Change On Noachian Mars

by Keith CowingOctober 30, 2024October 30, 2024

Droplet bioreactors demonstrating chemical communication. (A) Schematic of enzyme cascade in droplets and the corresponding droplet-to-droplet chemical communication. (B) Confocal micrographs showing the time evolution of resorufin fluorescence (red channel) in PDDA-ATP coacervate droplets with CF488-GOx (green channel) and CF640-HRP (blue channel) enzymes as cargo. Glucose and amplex red were introduced into the solution surrounding the droplets, and the resultant resorufin fluorescence first appeared in HRP droplets (merged channel color change from blue to purple to pink) and then in GOx (color change from green to yellow) droplets. Scale bars, 30 μm. A set of images from another independent trial of the same experiment are shown in fig. S7, where similar features were found. (C) A plot of time evolution of resorufin fluorescence intensity in stabilized droplets during enzyme catalysis. For each time point, normalized intensity corresponds to area fraction of HRP (or Gox) protocell covered by resorufin fluorescence, n = 4 images were analyzed, and error bars represent SDs. Science via PubMed

Biochemistry & Organic Chemistry, Biophysics, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life

Did The Exposure Of Coacervate Droplets To Rain Make Them The First Stable Protocells?

by Keith CowingOctober 30, 2024October 30, 2024

Free-floating Planetary Mass Object -- NASA

Exoplanets, -moons, -comets

Formation of Free-floating Planetary Mass Objects Via Circumstellar Disk Encounters

by Keith CowingOctober 30, 2024October 30, 2024

Space biology - Grok via Astrobiology.com

Microgravity, Space Life Science, Space Physiology & Medicine, Space Stations, SPACELINE Current Awareness List

NASA Spaceline Current Awareness List #1,121 25 October 2024 (Space Life Science Research Results)

by Keith CowingOctober 30, 2024October 30, 2024

An exoplanet -- Grok via Astrobiology.com

AI - Data - Apps - Cybernetics, Astronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets

easyCHEM: A Python Package For Calculating Chemical Equilibrium Abundances In Exoplanet Atmospheres

by Keith CowingOctober 30, 2024October 30, 2024