TED-ED: Where does gold come from?

[Ryan Goble]

Where does gold come from? Lesson by David Lunney, animation by Andrew Foerster 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. View full lesson and follow Constantly Curious on Facebook Watch »