Astronomy 10Stellar Evolution I11/13/06•White Dwarfs:oSome stars are so massive that they condense Carbon until the core has a core of solid diamondoEven bigger stars fuse Carbon into Neon 20oEven bigger stars will fuse the Neon 20 into Oxygen 16oEven bigger stars will fuse and Oxygen into Silicon 28oThese stars will turn the Silicon 28 into Iron 56•Hydrogen, Helium, and a little Lithium were formed in the big bang and flung around by the big bang•Carbon, Neon, Oxygen, Magnesium, Silicon, and Iron were formed in Red Giants and were flung around my stellar winds and Supernovae•More of those plus others were formed in Supernovae and were flung around my Supernovae•Iron 56 is the nucleus that is densestoSo dense that you cannot fuse it and cannot go under fissionoOnce a Star has built up a star of Iron 56 it cannot generate any more energy by any meansoYou have no radiation because there is no more energy being producedo
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