ArticleNature communications2021
Isotopic evidence for the formation of the Moon in a canonical giant impact.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 24 citations in OpenAlex.
- Electrical resistivity of the Fe-Si-S ternary system: implications for timing of thermal convection shutdown in the lunar core.Scientific reports · 2022Article
- Article
- Fossil records of early solar irradiation and cosmolocation of the CAI factory: A reappraisal.Science advances · 2021Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
Isotopic measurements of lunar and terrestrial rocks have revealed that, unlike any other body in the solar system, the Moon is indistinguishable from the Earth for nearly every isotopic system. This observation, however, contradicts predictions by the standard model for the origin of the Moon, the canonical giant impact. Here we show that the vanadium isotopic composition of the Moon is offset from that of the bulk silicate Earth by 0.18 ± 0.04 parts per thousand towards the chondritic value. This offset most likely results from isotope fractionation on proto-Earth during the main stage of terrestrial core formation (pre-giant impact), followed by a canonical giant impact where ~80% of the Moon originates from the impactor of chondritic composition. Our data refute the possibility of post-giant impact equilibration between the Earth and Moon, and implies that the impactor and proto-Earth mainly accreted from a common isotopic reservoir in the inner solar system.
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