Where does gold come from? – 大衛倫尼

查看完整課程: http://ed.ted.com/lessons/where-does-gold-come-from-david-lunney

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 Earth.

Lesson by David Lunney, animation by Andrew Foerster.