1. CHAPTER 3
The Raw Material
강재중

2. The Chemical Composition of the Sun

3. Hydrogen, Helium, Galaxies, Stars
Big Bang

4. Hydrogen, Helium, Galaxies, Stars
Megacloud
Subcloud
Galaxy
Star

5. DESCRIPTIVE ATOMIC PHYSICS
Electrostatic force
Nucleus

6. DESCRIPTIVE ATOMIC PHYSICS
(gluon)

7. DESCRIPTIVE ATOMIC PHYSICS

8. DESCRIPTIVE ATOMIC PHYSICS

9. Element Production during the Big Bang8 5

10. Element Formation in Stars

11. Element Formation in Stars
Heat

12. Element Formation in Stars

13. Element Synthesis by Neutron Capture

14. Element Synthesis by Neutron Capture
r-process

15. Element Synthesis by Neutron Capture
s-process

16. Evidence Supporting the Stellar Hypothesis
The pressures and temperatures of the cores of very large stars are adequate to permit not only hydrogen to burn but also helium and even heavier elements
Explosions of large stars have been observed

17. Evidence Supporting the Stellar Hypothesis
3. Element technetium (Tc)
4. Relative abundances of the elements