Working out what happens in the extreme conditions at the centre of the Earth is not easy. A calculation of the properties of iron under such conditions helps to explain seismic observations of the inner core.
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Jephcoat, A., Refson, K. Core beliefs. Nature 413, 27–29 (2001). https://doi.org/10.1038/35092650
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DOI: https://doi.org/10.1038/35092650
