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The ‘solar model problem’ solved by the abundance of neon in nearby stars

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  • Jeremy J. Drake

    (60 Garden Street)

  • Paola Testa

    (MIT Kavli Institute for Astrophysics and Space Research, Massachusetts Institute for Technology)

Abstract

All our Suns One of the successes of modern astrophysics has been the ability of standard solar models to predict the structure of the Sun in agreement with inference from solar oscillations. At least that was the idea. Recent revisions of the solar abundances of a number of elements meant that chemical composition no longer matched oscillation measurements. Drake and Testa have taken a novel approach to this ‘solar model problem’, measuring the relative abundance of neon and oxygen in a number of nearby Sun-like stars. The Ne/O ratios are all very similar and higher than the recently revised solar value. Take this value instead of the difficult-to-pin-down direct measurement of the Sun and the model is rescued.

Suggested Citation

  • Jeremy J. Drake & Paola Testa, 2005. "The ‘solar model problem’ solved by the abundance of neon in nearby stars," Nature, Nature, vol. 436(7050), pages 525-528, July.
    • Handle: RePEc:nat:nature:v:436:y:2005:i:7050:d:10.1038_nature03803
    DOI: 10.1038/nature03803
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