- Introduction
- What are stars?
- Distances
- Distances, Proper Motions
- Brightness and Luminosity
- Luminosity, Flux, Magnitudes, Luminosity (revisited), Colours
- Stellar Spectra
- Introduction, Stellar spectra, Planck's Radiation Law, Spectroscopy, L- and T-Stars
- Hertzsprung Russell Diagram
- Hertzsprung Russell Diagram, Yerkes classification
- Summary
- Terms to know
- Masses and Radii
- Masses, Photometric Binaries, Spectroscopic Binaries, Mass function, Stellar Diameters, Stellar Angular Diameters, Application: Mass-Luminosity Relation, Mass-Lumosity relation