Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

Planetary science

A new recipe for Earth formation

Experimental results suggest that if Earth initially grew by the accumulation of highly chemically reduced material, its core could contain enough uranium to drive the planet's magnetic field throughout Earth's history. See Letter p.337

This is a preview of subscription content, access via your institution

Access options

Rent or buy this article

Prices vary by article type



Prices may be subject to local taxes which are calculated during checkout

Figure 1: Mercury's surface.

NASA/Johns Hopkins Univ. Applied Physics Lab./Carnegie Inst. Washington

Similar content being viewed by others


  1. See all news & views


  1. Wohlers, A. & Wood, B. J. Nature 520, 337–340 (2015).

    Article  ADS  CAS  Google Scholar 

  2. Chambers, J. E. Earth Planet. Sci. Lett. 223, 241–252 (2004).

    Article  ADS  CAS  Google Scholar 

  3. Marcy, G. W. & Butler, R. P. Astrophys. J. Lett. 464, L147 (1996).

    Article  ADS  Google Scholar 

  4. Walsh, K. J., Morbidelli, A., Raymond, S. N., O'Brien, D. P. & Mandell, A. M. Nature 475, 206–209 (2011).

    Article  ADS  CAS  Google Scholar 

  5. Weider, S. Z. et al. Earth Planet. Sci. Lett. 416, 109–120 (2015).

    Article  ADS  CAS  Google Scholar 

  6. Boyet, M. & Carlson, R. W. Science 309, 576–581 (2005).

    Article  ADS  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Richard W. Carlson.

Rights and permissions

Reprints and Permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Carlson, R. A new recipe for Earth formation. Nature 520, 299–300 (2015).

Download citation

  • Published:

  • Issue Date:

  • DOI:


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing