Moon-forming impact
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Fossils & Paleontology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Status Report

What The Earliest Evidence For Life Tells Us About The Early Evolution Of The Biosphere

by Keith Cowing

Life emerged on Earth in an ultramafic world under anaerobic conditions and conditioned by particular environmental characteristics for which no record remains.

Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Comets and Asteroids, Extinction events, Gaia - Planetary Perspectives, Habitable Zones, Impact events, Meteorites & Asteroids, Moon, Origin & Evolution of Life, Status Report, Water/Hycean Worlds & Oceanography

Crash Chronicles: Relative Contribution From Comets and Carbonaceous Asteroids to Earth’s Volatile Budget In The Context of an Early Instability

by Keith Cowing

Recent models of solar system formation suggest that a dynamical instability among the giant planets happened within the first 100 Myr after disk dispersal, perhaps before the Moon-forming impact. As […]

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