Map of rocky exoplanet reveals a lava world

31 March 2016 Astronomy Now

An international team of astronomers, led by the University of Cambridge, has obtained the most detailed ‘fingerprint’ of a rocky planet outside our solar system to date, and found a planet of two halves: one that is almost completely molten, and the other which is almost completely solid. Exoplanet 55 Cancri e lies 40 light-years from the Sun.