Astr 204 September 5, 2001 



Building Blocks

The structure of typical atom

Protons, neutrons, and electrons

Democritus

Terminology of atoms

Natural Radioactivity

Nuclear Reactor

Schematic of a pressurized water reactor

Steps of decay

Nuclear fission and nuclear fusion

How the Sun creates energy

Large amounts of energy produced

The proton-proton chain

Creating matter from energy

Antimatter and neutrinos

"Pair production"

Pair production figures

Phases of matter

General progression of phase changes