When Carl Sagan said, "The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself" he was poetically accurate. The comets

When Carl Sagan said, "The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself" he was poetically accurate. The comets are seeded with the remains of untold countless exploded stars.