Astronomer Carl Sagan put it best: “We’re made of star stuff.” The atoms that make up the chemicals of our bodies didn’t originate on Earth; they came from deep space. The big bang created hydrogen, helium, and a little bit of lithium, but heavier atoms—the ones essential for life—came from processes related to stars.
Click here for original story, Space station experiment to probe origins of elements
Source: Phys.org