Stars: Nuclear Furnaces

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Stars Nuclear Furnaces
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Elemental Composition of Universe
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Elemental Composition of Human Body
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Nuclear Fusion on Earth

• 2H 3H 4He n Energy

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A Star is Born
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Inside a Star
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Inside a Stars Core
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Net Result Fusion of Hydrogen to Helium

• 2H 2H 4He Energy

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Production of CarbonThe Triple Alpha Process
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The Carbon Fusion CycleProduction of Nitrogen
and Oxygen
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Formation of Heavier Elements

• Fusion in star cores produces all elements up to
  Iron
• Supernova explosions produce all elements heavier
  than Iron

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Scattering the Seeds of Life