Science ❯ Geochemistry ❯ Isotope Geochemistry

Oxygen Isotopes

Impact Signatures Lunar Samples Triple Oxygen Isotope Technique Impact Analysis Meteorite Studies

Apollo Soil Study Finds Meteorites Supplied Only a Small Share of Earth’s Water

Triple-oxygen isotope fingerprints in Apollo regolith isolate impactor material to set limits that Artemis-era samples can refine.

NASA Study of Apollo Moon Soil Finds Meteorites Supplied Only a Small Share of Earth’s Water

PNAS Study Finds Rare Water-Rich Meteorite Relics in Chang'e-6 Far-Side Samples