Big Picture Chemistry
Chapter 2: The Stars that Make Us
The Brightness and Color of Stars
Apparent brightness and luminosity are distinguished followed by a description of the meaning of a star's color. Duration: 6:24.
The Hertzsprung-Russell Diagram
This lesson explores the relationship between a star's luminosity its surface temperature, which, when correlated together, can be used to deduce the size of the star. Duration: 9:53.
Watch these additional videos to complete this tutorial.