The chemical composition of warm gas giant exoplanet atmospheres (with Teq < 1000 K) is not well known due to the lack of observational constraints. HAT-P-12 b is a warm, […]
Photochemistry
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Photochemistry Of Interstellar Ice Forming Complex Organic Molecules
Astrochemistry is a well-established multidisciplinary field devoted to the study of atoms and molecules in space.
Posted inAstrochemistry, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Imaging & Spectroscopy, Mars, Status Report
A 3D Model Simulation Of Hydrogen Chloride Photochemistry On Mars: Comparison With Satellite Data
HCl was detected in the Martian atmosphere by the NOMAD and ACS spectrometers aboard the ExoMars TGO. Photochemical models show that using gas-phase chemistry alone is insufficient to reproduce these […]
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Europa, Exoplanets, -moons, -comets, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Status Report, Stellar Cartography
Life After Death: Europa In The Evolving Habitable Zone Of A Red Sun
Most stars end their main-sequence (MS) lives by evolving through the red-giant and asymptotic-giant branches before ending as a quiescent, stable white dwarf. Therefore, it is imperative to model the […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Space Weather & Heliophysics, Status Report, Stellar Cartography, TRAPPIST-1, Water/Hycean Worlds & Oceanography
Effects of Transient Stellar Emissions On Planetary Climates Of Tidally-locked Exo-earths
Space weather events in planetary environments sourced from transient host star emissions, including stellar flares, coronal mass ejections, and stellar proton events, can substantially influence an exoplanet’s climate and atmospheric […]
Posted inAnalog Studies, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Microgravity, Missions & Hardware, Panspermia, Planetary Protection & Biosafety, Space Stations, Status Report, Tricorders & Sensors
ISS Astrobiology Research: Photochemical Evolution of Alanine in Association with the Martian Soil Analog Montmorillonite
The Photochemistry on the Space Station (PSS) experiment was part of the European Space Agency’s EXPOSE-R2 mission and was conducted on the International Space Station from 2014 to 2016. The […]
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Origin & Evolution of Life, Status Report
The Nature Of LUCA – The Last Universal Common Ancestor – and its Impact on the Early Earth System
The nature of the last universal common ancestor (LUCA), its age and its impact on the Earth system have been the subject of vigorous debate across diverse disciplines, often based […]
Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Origin & Evolution of Life, Status Report
Chemical Kinetics As A Window Into Prebiotic Plausibility
Origin of Life research is a fast growing field of study with each year bringing new breakthroughs. Recent discoveries include novel syntheses of life’s building blocks, mechanisms of activation and […]
Posted inAI - Data - Apps - Cybernetics, Astrochemistry, Astronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Status Report
DARWEN: Data-driven Algorithm for Reduction of Wide Exoplanetary Networks
Exoplanet atmospheric modeling is advancing from chemically diverse one-dimensional (1D) models to three-dimensional (3D) global circulation models (GCMs), which are crucial for interpreting observations from facilities like the James Webb […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Missions & Hardware, Radiation, Space Weather & Heliophysics, Status Report, Stellar Cartography
Preparing For The Early eVolution Explorer
Ultraviolet flare emission can drive photochemistry in exoplanet atmospheres and even serve as the primary source of uncertainty in atmospheric retrievals. Additionally, flare energy budgets are not well-understood due to […]