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Planetary science

Early start for rocky planets

Nature volume 486, pages 331332 (21 June 2012) | Download Citation

The chemical composition of stars that host small planets seems to be more varied than that of large planets. This finding may push back the clock for the start of rocky planets and of life around stars other than the Sun. See Letter p.375

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Author information

Affiliations

  1. Debra Fischer is in the Department of Astronomy, Yale University, New Haven, Connecticut 06511, USA.

    • Debra Fischer

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Correspondence to Debra Fischer.

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https://doi.org/10.1038/nature11199

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