TED Talks
Ted: Ted Ed: Where Does Gold Come From?
Did you know that gold is extraterrestrial? Instead of arising from our planet's rocky crust, it was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. CERN Scientist David...
California Institute of Technology
Spitzer Science Center: Massive Star Cluster
Under the heading, "A Hidden, Massive Star Cluster Awash with Red Supergiants" this site examines specific details of an infrared image displaying 14 massive stars close to supernova. A detailed text analysis of the picture is also...