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Planetary science

Planetary science

Iron in Earth’s core might be cubic, not hexagonal

21 May 2018
Earth core
Cubic core: what is the crystal structure of iron at the centre of the Earth? (Courtesy: shutterstock/Johan Swanepoel)
A long-standing debate about the structure of solid iron at the centre of the Earth looks set to be

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Edwin Cartlidge is a science writer based in Rome
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