"Every atom in your body came from a star that exploded. And the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics: You are all stardust.
Rosette Nebula (NASA, Spitzer, This infrared image shows the Rosette nebula, a star-forming region more than 5000 ly away in the constellation Monoceros. Lurking inside this nebula are so-called 'danger zones'. These zones surround super hot stat