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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

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Figure 1: Mercury's surface.

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

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Correspondence to Richard W. Carlson.

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Carlson, R. A new recipe for Earth formation. Nature 520, 299–300 (2015). https://doi.org/10.1038/520299a

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