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Where does gold come from? - David Lunney

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Published on Oct 8, 2015

View 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 Earth.

Lesson by David Lunney, animation by Andrew Foerster.

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