Stellar Evolution

Stellar Evolution - Notes
Stellar Evolution - Definitions
Stellar Evolution - Test Review
Stellar Evolution - Test Review Answers

Universe - Chapter 5
Universe - Chapter 17

Background Material-Spectral Classification
Background Material-Luminosity
HR Diagram Explorer

Astronomy Interactives (right hand side)
   Luminosity of Stars
   Magnitudes
   Moon Phases
   Kepler's Laws
   etc.

 http://astronomyonline.org/Stars/Images/hrdiagram_th.jpg