water accretion

Constraints on the impactor flux to the Earth–Moon system from oxygen isotopes of the lunar regolith

20/01/2026 22:45 · by karmaka · in carbonaceous chondrite, CM, lunar, oxygen isotopes

Anthony M. Gargano, Justin I. Simon, Erick Cano, Karen Ziegler, Charles K. Shearer, James M. D. Day, and Zachary Sharp PNAS: Earth, Atmospheric, and Planetary SciencesJanuary 20, 2026, 123 (4) e2531796123 LINK “Significance: Lunar regolith…

Was Earth’s Water Acquired Locally during the Earliest Phases of the Solar System Formation?OPEN ACCESS

03/07/2025 11:12 · by karmaka · in Earth, water

Lise Boitard-Crépeau, Cecilia Ceccarelli, Pierre Beck, Lionel Vacher, and Piero Ugliengo The Astrophysical Journal Letters, Volume 987, Number 2, Published 2025 July 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The origin of the terrestrial water remains…

A refined isotopic composition of cometary xenon and implications for the accretion of comets and carbonaceous chondrites on Earth

15/04/2025 16:33 · by karmaka · in asteroid, carbonaceous chondrite, comet, Earth, noble gases, water

William S. Cassata Earth and Planetary Science LettersVolume 660, 15 June 2025 LINK “Highlights “The origins of Earth’s volatiles, including water, remain uncertain. Noble gases can be used to constrain volatile sources as they exhibit…

Early accretion of water and volatile elements to the inner Solar System: evidence from angrites

17/04/2017 18:22 · by karmaka · in angrite, carbonaceous chondrite, early chronology, solar system, water

Adam R. Sarafian, Erik H. Hauri, Francis M. McCubbin, Thomas J. Lapen, Eve L. Berger, Sune G. Nielsen, Horst R. Marschall, Glenn A. Gaetani, Kevin Righter, Emily Sarafian Phil. Trans. R. Soc. A 2017 375…