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Isotopic enhancements of 17 O and 18 O from solar wind particles in the lunar regolith

Ireland, Trevor; Holden, Peter; Norman, Marc; Clarke , Jodi

Description

Differences in isotopic abundances between meteorites and rocks on Earth leave unclear the true composition of the gas out of which the Solar System formed1-4. The Sun should have preserved in its outer layers the original composition, and recent work has indicated that the solar wind is enriched in16O, relative to Earth, Mars and bulk meteorites5. This suggests that self-shielding of CO due to photo-dissociation, which is a well understood process in molecular clouds, also led to evolution in...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/19152
Source: Nature
DOI: 10.1038/nature04611

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