Carbonate precipitation in oceans is essential for the carbonate-silicate cycle (inorganic carbon cycle) to maintain temperate climates.
Biogeochemical Cycles & Geobiology
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Enceladus, Europa, Ganymede, Icy Worlds, Mars, Missions & Hardware, Press Release, Water/Hycean Worlds & Oceanography
Enabling Ice Core Science On Mars And Ocean Worlds
Ice deposits on Earth provide an extended record of volcanism, planetary climate, and life.
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Press Release, Robotics/Rovers/UAVs
Mars Curiosity Rover Discovers Water-rich Fracture Halo’s in Gale Crater
A research team using new methods to analyze data from NASA’s Curiosity rover and its neutron spectrometer Dynamic Albedo of Neutrons, or DAN, on Mars was able to independently verify […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Habitable Zones, Press Release
A 3-Dimension Model of Volcanism Volatiles Contribution on Atmospheric Chemical Abundance of Habitable Planets
The volcanism plays an important part in mass exchange circle to bring matter from core of planet to atmosphere.
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Missions & Hardware, Press Release, Robotics/Rovers/UAVs
Perseverance Rover Starts To Collect Regolith Samples
NASA’s Perseverance rover snagged two new samples from the Martian surface on Dec. 2 and 6. But unlike the 15 rock cores collected to date, these newest samples came from […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Habitable Zones, Press Release
Early Earth Forests Did Not Significantly Change Atmospheric CO2
Scientists have discovered that the atmosphere contained far less CO2 than previously thought when forests emerged on our planet, the new study has important implications for understanding how land plants […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Habitable Zones, Press Release
Sedimentary Rock Chert Records Cooling Of Earth Over Billions Of Years
Several billion years ago, the oceans were probably not as hot as often assumed, but were instead at much more moderate temperatures.
Posted inBiogeochemical Cycles & Geobiology, Habitable Zones, Press Release, Water/Hycean Worlds & Oceanography
Earth Can Regulate Its Own Temperature Over Millennia
The Earth’s climate has undergone some big changes, from global volcanism to planet-cooling ice ages and dramatic shifts in solar radiation. And yet life, for the last 3.7 billion years, […]
Posted inAstronomy & Telescopes, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release, Water/Hycean Worlds & Oceanography
Two Exoplanets May Be Mostly Water, NASA’s Hubble and Spitzer Find
A team led by of researchers at the University of Montreal has found evidence that two exoplanets orbiting a red dwarf star are “water worlds,” where water makes up a […]
Posted inAstrochemistry, Biogeochemical Cycles & Geobiology, Habitable Zones, Press Release, Water/Hycean Worlds & Oceanography
We Drink Good 4.5-Billion-Year-Old Water On Earth
Water is crucial for the emergence and evolution of life on Earth.