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Proc Natl Acad Sci U S A. 2011 Nov 29;108(48):19147-51. doi: 10.1073/pnas.1014877108. Epub 2011 May 9.

Solar composition from the Genesis Discovery Mission.

Author information

1
Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA. burnett@gps.caltech.edu

Abstract

Science results from the Genesis Mission illustrate the major advantages of sample return missions. (i) Important results not otherwise obtainable except by analysis in terrestrial laboratories: the isotopic compositions of O, N, and noble gases differ in the Sun from other inner solar system objects. The N isotopic composition is the same as that of Jupiter. Genesis has resolved discrepancies in the noble gas data from solar wind implanted in lunar soils. (ii) The most advanced analytical instruments have been applied to Genesis samples, including some developed specifically for the mission. (iii) The N isotope result has been replicated with four different instruments.

PMID:
21555545
PMCID:
PMC3228446
DOI:
10.1073/pnas.1014877108
[Indexed for MEDLINE]
Free PMC Article

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