•Chapter
 8: The Properties of Stars
 –Distances to Stars
 •Parallax and Parsecs
 •Spectroscopic Parallax
 –Intrinsic Brightness: Luminosity
 •Absolute Magnitude
 –Luminosity, Radius, and Temperature
 –Hertzsprung-Russell
 (H-R) Diagram
 –Luminosity Classes (e.g., Main Sequence, giant)
 –Masses of Stars
 •Binary Stars and Kepler’s Law
 •Mass-Luminosity Relationship
 •