Extreme oxygen isotope ratios in the early Solar System

Jérôme Aléon (), François Robert, Jean Duprat and Sylvie Derenne
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Jérôme Aléon: Centre de Recherches Pétrographiques et Géochimiques
François Robert: Museum National d'Histoire Naturelle
Jean Duprat: Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Sylvie Derenne: Ecole Nationale Supérieure de Chimie de Paris

Nature, 2005, vol. 437, issue 7057, 385-388

Abstract: An oxygen high The highest oxygen isotope ratios ever measured in the Galaxy have been recorded in silica-rich grains from the Murchison meteorite. The excess oxygen-18 and oxygen-17 could be the result of nucleosynthesis in a single exotic star in the early Solar System or evidence of irradiation by highly accelerated particles produced during an active early phase of the Sun.

Date: 2005
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DOI: 10.1038/nature03947

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