We are Stardust What did Carl Sagan mean

############################# Video Source: www.youtube.com/watch?v=XsVY2QVyyEA

Carl Sagan famously said that we are all made of star stuff. Here, Professor Simon Goodwin explains what he meant.Our Professor of Theoretical Astrophysics d...

carl sagan, big bang, supernova, supernovae, stars, astrophysics, astronomy, physics, carbon, hydrogen, oxygen, nitrogen, chon elements, chon, honc elements, honc, sun, planets, alpha elements
#############################