[astro-ph.EP] Hydrogen-isotopologues are commonly used to trace the chemical processing and origin of hydrogen-bearing species throughout the Universe, however, their abundance remains unconstrained for extrasolar planets.
Deuterated Water Ice
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Interstellar, Press Release
ALMA Reveals Interstellar Comet 3I/ATLAS Formed in a Far Colder World Than Our Own
New observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have yielded the first-ever measurement of deuterated water — also known as semi-heavy water — in an interstellar object. The discovery […]
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Comets and Asteroids, Exoplanets, -moons, -comets, Icy Worlds, Imaging & Spectroscopy, Interstellar, Status Report
Pristine Ices In A Planet-forming Disk Revealed By Heavy Water
Water is essential to our understanding of the planet-formation process and habitability on Earth.
Posted inDione, Hyperion, Iapetus, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mimas, Phoebe, Rhea, Saturn, Status Report
Deuterated Water Ice On The Satellites Of Saturn
The deuterium to hydrogen ratio in water ice in a planetary body carries important information on the history of water processing and delivery in the protostellar nebula.