October 2024 – Page 6 – My WordPress Site

Exoplanet Exploration Program Analysis Group (ExoPAG)

Astronomy & Telescopes, Exoplanets, -moons, -comets, Policy, Reports, Roadmaps, & Plans

NASA Call for Nominations to the Executive Committee of the Exoplanet Exploration Program Analysis Group (ExoPAG)

by Keith CowingOctober 24, 2024October 24, 2024

Exoplanet Imaging Data Challenge

AI - Data - Apps - Cybernetics, Astronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy

Exoplanet Imaging Data Challenge, Phase II: Comparison Of Algorithms In Terms Of Characterization Capabilities

by Keith CowingOctober 24, 2024October 24, 2024

Isobaric slices of the expeRT/MITgcm runs at t = 2000 simulation days. The white lines indicate the horizontal wind velocity fields. -- astro-ph.EP

Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Gas Giants, Saturn

A Combined 3D Model Applied To Cloudy Warm Saturn Type Exoplanets Around M-dwarfs

by Keith CowingOctober 24, 2024October 24, 2024

Distribution of planets in the mass–radius diagram color-coded by their Teq. The curves display the expected mass-radius relationship for different compositions taken from Luo et al. (2024). -- astro-ph.SR

Astrogeology, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets

Linking The Primordial Composition of Planet Building Disks to the Present-day Composition of Rocky Exoplanets

by Keith CowingOctober 24, 2024October 24, 2024

Plumes on Europa -- Grok via Astrobiology.com

Arctic / Antarctic / Alpine, Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Cryobiology, Enceladus, Europa, Icy Worlds

Sealing Europa’s Vents By Vapor Deposition: An Order Of Magnitude Study

by Keith CowingOctober 24, 2024October 24, 2024

Making The Traverse From Novolazarevskaya Station to Lake Untersee in 2022 -- Dale Andersen

Analog Studies, Arctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Life Support Systems, Mapping, Geodesy, Cartography, Microbiology & Virology, Nomenclature, Systematics, Natural History, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Tricorders & Sensors, Water/Hycean Worlds & Oceanography

Dale Andersen’s Astrobiology Antarctic Status Report: 23/24 October 2024: Traverse Update

by Keith CowingOctober 24, 2024January 11, 2026

An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to detect the first brown dwarf candidates outside the Milky Way in the star cluster NGC 602. larger image - ESA/NASA

Astronomy & Telescopes, Brown Dwarfs, Exoplanets, -moons, -comets, Gas Giants, Imaging & Spectroscopy

The First Young Brown Dwarfs Found Outside Our Home Galaxy?

by Keith CowingOctober 23, 2024October 23, 2024

Vertical panels are grouped by ice grain radius and density whereas horizontal panels are grouped by dust content (by mass). Note that the vertical (depth) scale is different in the three rows: 0–700 cm in the top row, 0–40 cm in the middle row, and 0–6 cm in the bottom row. The solar zenith angle is zero in all cases, and the peak solar flux over the course of the year is used. -- Nature

Biosignatures & Paleobiology, Cryobiology, Extremeophiles and Extreme Environments, Habitable Zones, Mars, Microbiology & Virology, Radiation

Potential Microbial Habitats In Martian Ice

by Keith CowingOctober 23, 2024October 23, 2024

Comparison of gas density distributions in CPDs between the fiducial run (left panel) and a higher resolution simulation (right panel) at 100 orbital periods. The color scale represents gas density in code units. Both axes are normalized by the Hill radius (RHill). The x-axis shows the radial distance from the planet (Rp), while the y-axis represents the vertical distance (zp). Both simulations demonstrate similar disk structures extending to approximately 0.4 RHill radially and 0.2 RHill vertically, with the fiducial run exhibiting a slightly more pronounced disk-like morphology. -- astro-ph.EP

Astronomy & Telescopes, Exoplanets, -moons, -comets, Gas Giants

Circumplanetary Disks Are Rare Around Planets At Large Orbital Radii: A Parameter Survey Of Flow Morphology Around Giant Planets

by Keith CowingOctober 23, 2024October 23, 2024

RL generated solutions for an optical aperture (left part of the figure) that optimizes the encircled energy of an optical system -- astro-ph.IM

AI - Data - Apps - Cybernetics, Astronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy

Generative AI for Overall Mission Effectiveness at the Habitable Worlds Observatory

by Keith CowingOctober 23, 2024October 23, 2024