Points to Ponder

“All the complex elements in the universe, including what makes up our bodies - the calcium in our bones, the iron in our blood, the carbon, nitrogen and oxygen in out flesh and DNA- were created by nuclear fusion inside starts that lived and died billions of years ago, long before our solar system came into being. “That first generation of stars were huge and explosive, and when they died they spewed their contents out into the cosmos. We’re literally made of this stuff. We are recycled stars.”  Lisa Harvey- Smith, Astronomer