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Grimberg A, Baur H, Bochsler P, et al. Solar wind neon from Genesis: implications for the lunar noble gas record. Science. 2006;314(5802):1133-5doi: 10.1126/science.1133568.
Grimberg, A., Baur, H., Bochsler, P., Bühler, F., Burnett, D. S., Hays, C. C., Heber, V. S., Jurewicz, A. J., & Wieler, R. (2006). Solar wind neon from Genesis: implications for the lunar noble gas record. Science (New York, N.Y.), 314(5802), 1133-5. https://doi.org/10.1126/science.1133568
Grimberg, Ansgar, et al. "Solar wind neon from Genesis: implications for the lunar noble gas record." Science (New York, N.Y.) vol. 314,5802 (2006): 1133-5. doi: https://doi.org/10.1126/science.1133568
Grimberg A, Baur H, Bochsler P, Bühler F, Burnett DS, Hays CC, Heber VS, Jurewicz AJ, Wieler R. Solar wind neon from Genesis: implications for the lunar noble gas record. Science. 2006 Nov 17;314(5802):1133-5. doi: 10.1126/science.1133568. PMID: 17110575.
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Science. 2006 Nov 17;314(5802):1133-5. doi: 10.1126/science.1133568.

Solar wind neon from Genesis: implications for the lunar noble gas record.

Science (New York, N.Y.)

Ansgar Grimberg, Heinrich Baur, Peter Bochsler, Fritz Bühler, Donald S Burnett, Charles C Hays, Veronika S Heber, Amy J G Jurewicz, Rainer Wieler

Affiliations

  1. Isotope Geology and Mineral Resources, ETH Zürich NW, Clausiusstrasse 25, CH-8092 Zürich, Switzerland. [email protected]

PMID: 17110575 DOI: 10.1126/science.1133568

Abstract

Lunar soils have been thought to contain two solar noble gas components with distinct isotopic composition. One has been identified as implanted solar wind, the other as higher-energy solar particles. The latter was puzzling because its relative amounts were much too large compared with present-day fluxes, suggesting periodic, very high solar activity in the past. Here we show that the depth-dependent isotopic composition of neon in a metallic glass exposed on NASA's Genesis mission agrees with the expected depth profile for solar wind neon with uniform isotopic composition. Our results strongly indicate that no extra high-energy component is required and that the solar neon isotope composition of lunar samples can be explained as implantation-fractionated solar wind.

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