The primary aim of this study is to investigate the orbital migration of the Galilean moons by incorporating self-consistent solid dynamics in circumjovian disk models. We perform two-fluid simulations using […]
Io
![[RIGHT Io [LEFT] Europa -- NASA JPL source](https://i0.wp.com/astrobiology.com/wp-content/uploads/2025/12/On-The-Divergent-Evolution-of.png?resize=1200%2C718&ssl=1)
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Europa, Icy Worlds, Io, Jupiter, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Status Report, Water/Hycean Worlds & Oceanography
On The Divergent Evolution Of Io And Europa As Primordial Ocean Worlds
Galilean moons exhibit a decrease in bulk density with distance from Jupiter, which may reflect differences in evolutionary paths and water loss.
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Io, Lava / magma ocean / Volcanic Worlds, Status Report
Constraining Ongoing Volcanic Outgassing Rates and Interior Compositions of Extrasolar Planets with Mass Measurements of Plasma Tori
We present a novel method of constraining volcanic activity on extrasolar terrestrial worlds via characterization of circumstellar plasma tori.
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Io, Jupiter, Lava / magma ocean / Volcanic Worlds, Press Release
Juno Spots The Most Powerful Volcanic Activity On Io To Date
Even by the standards of Io, the most volcanic celestial body in the solar system, recent events observed on the Jovian moon are extreme.
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Io, Jupiter, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Press Release
How Io Became The Most Volcanic Body In Our Solar System
Scientists with NASA’s Juno mission to Jupiter have discovered that the volcanoes on Jupiter’s moon Io are each likely powered by their own chamber of roiling hot magma rather than […]
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Enceladus, Europa, Ganymede, Gas Giants, Icy Worlds, Imaging & Spectroscopy, Io, Jupiter, Mapping, Geodesy, Cartography, Bathymetry, Neptune, Saturn, Status Report, Titan, Uranus
Sulfur in the Giant Planets, their Moons, and Extrasolar Gas Giant Planets
We review sulfur chemistry of the gas giant planets and their moons where sulfur compounds are observed. The major S-bearing gas in the upper atmospheres of the giant planets is […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Imaging & Spectroscopy, Io, Jupiter, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Status Report
Volcano World Survey: Observations Of Loki Patera By Juno During Close Flybys
We used data from the Juno spacecraft to investigate both the spatial and temporal properties of Loki Patera on Io, acquired in two infrared bands between December 2022 and April […]
Posted inEuropa, Ganymede, Io, Jupiter, Missions & Hardware, Status Report
Planetary Radio Interferometry and Doppler Experiment as an Operational Component of the Jupiter Icy Moons Explorer Mission
We present an overview of the operations and engineering interface for Planetary Radio Interferometry and Doppler Experiment (PRIDE) radio astronomy observations as a scientific component of the ESA s Jupiter […]
Posted inAstrogeology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Io, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Status Report
Comparing NASA Discovery and New Frontiers Class Mission Concepts for the Io Volcano Observer (IVO)
Jupiter’s moon Io is a highly compelling target for future exploration that offers critical insight into tidal dissipation processes and the geology of high heat flux worlds, including primitive planetary […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Biophysics, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extremeophiles and Extreme Environments, Imaging & Spectroscopy, Io, Missions & Hardware, Press Release
Volcano World Update: Lava Lakes On Io
Editor’s note: Is there life on Io? To be certain, Io is a radiation-drenched lava world, yes. But life on Earth manages to thrive in some rather absurdly extreme volcanic […]