Water makes up 71 percent of Earth’s surface, but no one knows how or when such massive quantities of it arrived on Earth.
Water
Posted inAstrochemistry, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release, Water/Hycean Worlds & Oceanography
Learning More About The Source Of The Water In Our Solar System
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have detected gaseous water in the planet-forming disc around the star V883 Orionis. This water carries a chemical signature that explains the […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Habitable Zones, Icy Worlds, Status Report
Habitability And Sub Glacial Liquid Water On Planets Of M-dwarf Stars
A long-standing issue in astrobiology is whether planets orbiting the most abundant type of stars, M-dwarfs, can support liquid water and eventually life.
Posted inAstrochemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Press Release, Water/Hycean Worlds & Oceanography
ALMA Traces The History Of Water In Planet Formation Back To The Interstellar Medium
Scientists studying a nearby protostar have detected the presence of water in its circumstellar disk. The new observations made with the Atacama Large Millimeter/submillimeter Array (ALMA) mark the first detection […]
Posted inAstrogeology, Enceladus, Icy Worlds, Press Release
How Enceladus Ejects Particles From Oceans Beneath Its Surface
Although it is relatively small, Enceladus — the sixth largest of Saturn’s 83 moons — has been considered by astronomers to be one of the more compelling bodies in our […]
Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Press Release, Robotics/Rovers/UAVs
Curiosity Rover Finds Surprising Clues to Mars’ Watery Past
Among other discoveries made by the rover, rippled rock textures suggest lakes existed in a region of ancient Mars that scientists expected to be drier.
Posted inAstrochemistry, Exoplanets, -moons, -comets, Habitable Zones, Icy Worlds, Meteorites & Asteroids, Status Report, Water/Hycean Worlds & Oceanography
Origin Of Water In The Terrestrial Planets: Insights From Meteorite Data And Planet Formation Models
Water condensed as ice beyond the water snowline, the location in the Sun’s natal gaseous disk where temperatures were below 170 K. As the disk evolved and cooled, the snowline […]
Posted inAstrochemistry, Icy Worlds, Press Release
The Newly Discovered Form Of Ice Is Very Similar To Liquid Water
A collaboration between scientists at Cambridge and UCL has led to the discovery of a new form of ice that more closely resembles liquid water than any other and may […]
Posted inAstrochemistry, Astrogeology, Icy Worlds, Interstellar, Press Release
Discovery Of Amorphous Ice May Change Our Understanding Of Water
Researchers at UCL and the University of Cambridge have discovered a new type of ice that more closely resembles liquid water than any other known ices and that may rewrite […]
Posted inAstrochemistry, Astrogeology, Comets and Asteroids, Jupiter, Meteorites & Asteroids, Status Report, Water/Hycean Worlds & Oceanography
Early Water Delivery To Terrestrial Planet Regions During The Stages Of Jupiter’s Formation And Migration In The Grand Tack Model
The formation and subsequent migration of gas giants could significantly affect the material mixing in the Solar System.