D D U Y E N . Guest Jan 28, 2009 #1 Explain the relationship between the brightness of the object (luminosity) and its magnitude using the Hertzsprung-Russell diagram. -I need at least 3-4 sources .
Explain the relationship between the brightness of the object (luminosity) and its magnitude using the Hertzsprung-Russell diagram. -I need at least 3-4 sources .
