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.
Mapping, Geodesy, Cartography, Bathymetry
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Mapping, Geodesy, Cartography, Bathymetry, Nomenclature, Systematics, Natural History, Press Release, Water/Hycean Worlds & Oceanography
Mapping Earth During The Ediacaran Period
Earth’s Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists.
Posted inAI - Data - Apps - Cybernetics, Arctic / Antarctic / Alpine, Exploration Gear & Tech, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Polar / Alpine Expeditions, Press Release, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography
Replacement Found For The Lost Underwater Vehicle Ran
The deal is done for the new underwater vehicle that will replace Ran, the submarine that was lost under a glacier in Antarctica in 2024. A large donation means that […]
Posted inAstrogeology, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Press Release, Water/Hycean Worlds & Oceanography
Probing The Origin Of Water In Planets Within Habitable Zones By Habitable Worlds Observatory
How do habitable environments arise and evolve within the context of their planetary systems? This is one fundamental question, and it can be addressed partly by identifying how planets in […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Desert Worlds, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mars, Status Report
Orbital View Of A Martian Dust Avalanche
Relatively dark slope streaks are common on steep dust-mantled slopes of Mars. When imaged under high sun illumination they appear to be just a dark stain without topographic relief.
Posted inAstrogeology, Biosignatures & Paleobiology, Mapping, Geodesy, Cartography, Bathymetry, Mars, Missions & Hardware, Press Release, Robotics/Rovers/UAVs, Tricorders & Sensors
Mars Perseverance Rover Abrasion Spots
Perseverance accomplished something unusual this week: abrading two dramatically different rocks within the span of a few days. While exploring the Vernodden area along Jezero crater’s rim, the rover has […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Desert Worlds, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mars, Status Report, Water/Hycean Worlds & Oceanography
Ancient Mars Climate With a Polar Ocean and Ice Sheet Dynamics
In this article, we study the conditions required to maintain a stable ocean on Mars 3 Ga using a new suite of simulations.
Posted inAstrogeology, Enceladus, Europa, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Status Report, Titan, Water/Hycean Worlds & Oceanography
Enceladus’ Tidal Heating: A Simple Approach
Saturn’s moon Enceladus has a global ocean that is covered by an ice shell. The moon’s eccentric orbit forces the shell to librate, which distorts the shell and thereby generates […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Europa, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Status Report
Spectral Mixture Modeling with Laboratory Near-Infrared Data I: Insights into Compositional Analysis of Europa
Europa’s surface composition and physical characteristics are commonly constrained using spectral deconvolution through linear mixture (LM) modeling and radiative transfer-based (RT) intimate mixture modeling.
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Desert Worlds, Habitable Zones, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mars, Press Release, Water/Hycean Worlds & Oceanography
Mars Crater Deposits Reveal A History Of Shrinking Ice Volumes Through Ages
For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into the dry planet we see today.