The Hurtzsprung-Russel Diagram is a scatter plot that shows the relationship between stars' absolute magnitude or luminosity (brightness), spectral type, color, temperature and evolutionary stage.
Spiral Galaxy
Nebula
Star
Comet
Asteroid
Meteor
What can the H-R Diagram be used for?
What is the difference between an asteroid and a meteor?
What type of star is the brightest?
What type of Galaxy do you live in?