Monthly Archives: May 2013

Magnetic personalities – The Moon’s magnetic field

The paper discussed during this week’s Magnetic Personalities was Suavet et al. (2013; PNAS) “Persistence and origin of the lunar core dynamo”. Research suggests that the Moon once had an active magnetic field, much like Earth’s magnetic field. Evidence comes … Continue reading

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Magnetic Personalities – inner core temperature

The paper we discussed in the latest meeting of Magnetic Personalities and which motivated the piece below was Anzellini et al. (2013; Science) “Melting of Iron at Earth’s Inner Core Boundary Based on Fast X-ray Diffraction”. They estimate the temperature of … Continue reading

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The two great engines of the Earth’s interior

The Earth is hot and space is cold and the first law of thermodynamics tells us that heat must flow from the former to the latter until they are the same temperature. The Earth is far from being just a … Continue reading

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