1. Stars: Nuclear Furnaces

3. Elemental Composition of Universe

4. Elemental Composition of Human Body

5. Nuclear Fusion on Earth 2 H + 3 H 4 He + n + Energy

6. A Star is Born

7. Inside a Star

8. Inside a Star’s Core

9. Net Result: Fusion of Hydrogen to Helium 2 H + 2 H 4 He + Energy

10. Production of Carbon: The Triple Alpha Process

11. The Carbon Fusion Cycle: Production of Nitrogen and Oxygen

12. Formation of Heavier Elements Fusion in star cores produces all elements up to Iron Supernova explosions produce all elements heavier than Iron

13. Scattering the Seeds of Life