Background – Biotechnological advances are transforming the potential for sustainable resource utilization in space exploration. Biomining, using microorganisms to extract valuable metals, has emerged as a viable strategy for in […]
Impact event
Posted inUncategorized
Thermal And Rotational Effects Of Giant Impacts During Terrestrial Planet Accretion
Terrestrial planets likely experienced one or more giant impacts during their formation that inflicted large thermal, chemical, and rotational perturbations.
Posted inOrigin & Evolution of Life
Abiotic Sources Of Fixed Nitrogen Sustained Early Ecosystems For Several Hundred Million Years After The Origin Of Life
Nitrogen (N) plays a crucial role in controlling biological productivity. However, it remains unknown how Earth’s earliest ecosystems accessed bioavailable forms of nitrogen.
Posted inEuropa, Meteorites & Asteroids, Origin & Evolution of Life, Panspermia, Planetary Protection & Biosafety, Status Report, Water/Hycean Worlds & Oceanography
Earth As A Potential Source Of Llife For Europa’s Subsurface Ocean
The paper discusses the possibility of dust particles containing living bacteria ejected from Earth reaching Europa and landing on its surface.
Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Comets and Asteroids, Impact events, Meteorites & Asteroids, Press Release, Sample Return
Rare Meteorite Provides Evidence Of A Giant Early Planet
Four-and-a-half billion years ago, a massive world, possibly as big as the moon or even Mars, orbited our sun before crashing into another celestial body and shattering into rubble.
Posted inAnalog Studies, Astrogeology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Impact events, Mars, Press Release
Shocked Soil Discovered: Rare On Earth, But Abundant On Mars?
When a meteoroid strikes, it generates a wave of energy that moves faster than the speed of sound. When all that energy propagates through material in seconds or less before […]
Posted inAstrogeology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extinction events, Fossils & Paleontology, Habitable Zones, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Press Release
Meteorite Which Wiped Out The Dinosaurs Also Created A Record-breaking Hydrothermal System
The meteorite which caused the extinction of the dinosaurs also created an underground environment suited to supporting new life, and new research suggests it lasted for millions of years longer […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Impact events, Origin & Evolution of Life, Panspermia, Press Release
Impact History Of Early Earth Created Conditions Conducive To Life
Southwest Research Institute scientists modeled the early impact history of Earth, seeking insight into potential origins of life. These models show that asteroid impacts on the early Earth plowed up […]
Posted inAtmospheres, Climate, Weather, Biosignatures & Paleobiology, Comets and Asteroids, Extinction events, Habitable Zones, Impact events, Meteorites & Asteroids, Status Report
An 800-Million-Year-Old Impact Shower on the Terrestrial Planets from the Breakup of the Eulalia Parent Body
Multiple studies have proposed a substantial surge in large lunar impacts approximately 800 million years ago (Ma).
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Comets and Asteroids, Cryobiology, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Mercury, Status Report
Transport of Water In A Transient, Impact-Generated Atmosphere On Mercury
Mercury’s polar cold traps host water ice deposits that are likely populated with impact-delivered water via Mercury’s exosphere.