In cold molecular clouds, UV photolysis of icy grain mantles generates radicals that lead to new molecule formation.
photolysis
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 inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exploration Gear & Tech, Habitable Zones, Imaging & Spectroscopy, Status Report, Water/Hycean Worlds & Oceanography
The Impact of Extended CO2 Cross Sections on Temperate Anoxic Planet Atmospheres
Our interpretation of terrestrial exoplanet atmospheric spectra will always be limited by the accuracy of the data we use as input in our forward and retrieval models.
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Microbiology & Virology, Origin & Evolution of Life, Plant Biology, Press Release
Explaining The Delayed Rise Of Plants And Animals On Land: Iodine And Oxygen
If you like the smell of spring roses, the sounds of summer birdsong and the colors of fall foliage, you have the stabilization of the ozone layer to thank for […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Mars, Meteorites & Asteroids, Press Release
Organic Material From Mars Reveals The Likely Origin Of Life’s Building Blocks
Two samples from Mars together deliver the “smoking gun” in a new study showing the origin of Martian organic material. The study presents solid evidence for a prediction made over […]
Posted inAtmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Status Report
An Extensively Validated C/H/O/N Chemical Network For Hot Exoplanet Disequilibrium Chemistry
We aimed to build a new and updated C0-C2 chemical network to study the CHON disequilibrium chemistry of warm and hot exoplanet atmospheres that relies on extensively validated and recent […]