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Renovation by late nebular accretion

Secondary gas disks around main sequence stars may regenerate planetary atmospheres, potentially transforming desiccated rocky worlds into gas-enveloped sub-Neptunes that feature high metallicities and enhanced atmospheric C/O ratios.

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Fig. 1: The expected C/O ratio of secondary atmospheres accrued from gas disks generated by planetesimal collisions.


  1. 1.

    Kral, Q. et al. Nat. Astron. (2020).

  2. 2.

    Dent, W. R. F. et al. Science 343, 1490–1492 (2014).

    ADS  Article  Google Scholar 

  3. 3.

    Kreidberg, L. et al. Nature 505, 69–72 (2014).

    ADS  Article  Google Scholar 

  4. 4.

    Knutson, H. A., Benneke, B., Deming, D. & Homeier, D. Nature 505, 66–68 (2014).

    ADS  Article  Google Scholar 

  5. 5.

    Morley, C. V. et al. Astrophys. J. 775, 33 (2013).

    ADS  Article  Google Scholar 

  6. 6.

    Benneke, B. et al. Nat. Astron. 3, 813–821 (2019).

    ADS  Article  Google Scholar 

  7. 7.

    Wakeford, H. R. et al. Science 356, 628–631 (2017).

    ADS  Article  Google Scholar 

  8. 8.

    Youdin, A. N. & Goodman, J. Astrophys. J. 620, 459–469 (2005).

    ADS  Article  Google Scholar 

  9. 9.

    Lee, E. J. & Chiang, E. Astrophys. J. 811, 41 (2015).

    ADS  Article  Google Scholar 

  10. 10.

    Ariel Assessment Study Report (Yellow Book) (European Space Agency, 2017).

  11. 11.

    GRAVITY collaboration. Astron. Astrophys. 633, A110 (2020).

    Article  Google Scholar 

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Correspondence to Eve J. Lee.

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Lee, E.J. Renovation by late nebular accretion. Nat Astron 4, 737–738 (2020).

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