text: An old episode, but one I feel is worth revisiting. It's estimated that only 0.014% of the Sun is iron. Doesn't sound like much, but the Sun is *stupidly big*. A mass of about 330,000 Earths. That 0.014% means roughly 4,620 Earth's worth of of iron.
  
  That's a LOT.
  
  youtu.be/pzuHxL5FD5U?...