A A A
Planetary Geology Book

Planetary Geology: An Introduction

A second edition of Planetary Geology: An Introduction book will be published by Dunedin Academic Press at the end of June 2013 More...

Bookmark and Share

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.


UCL Earth Sciences · Gower Street London WC1E 6BT · +44 (0)20 7679 2363
earthsci@ucl.ac.uk · more