TED-Ed

What is the universe made of? - Dennis Wildfogel (2014x149)

:

The atoms around you have existed for billions of years -- and most originated in the flaming, gaseous core of a star. Dennis Wildfogel tells the captivating tale of these atoms' long journeys from the Big Bang to the molecules they form today. Lesson by Dennis Wildfogel, animation by Pew36 Animation Studios.