Where does gold come from? – David Lunney
8,044,889 views Oct 8, 2015View full lesson: http://ed.ted.com/lessons/where-does-… Did you know that gold is extraterrestrial? Instead of arising from our planet’s rocky crust, it was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. CERN Scientist David Lunney outlines the incredible journey of gold from space to…