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Thinking of studying earth sciences?
Magnesium oxide might be liquid in super-Earths.
23 November 2012
“If you squeeze and heat hard and high enough, everything becomes metallic,” says Professor Dario Alfè.
“The crucial point here is that magnesium oxide appears to become metallic at conditions not too far from those [at] the centre of terrestrial planets... ... It makes super-Earths more likely to have magnetic fields, which [are] a protective shield from harmful solar (or stellar) radiation, and also make the retention of an atmosphere easier.’
Full article in the Chemistry World.