Astrophysics Lecture 11: How Are Stars Classified?
Those dull white dots in the night sky are not that boring when looked at close inspection. We can tell a lot about stars by deciphering the information contained in the light that reach us. Learn how by checking this lesson out.
The presentation's informal language makes it very accessible; as a bonus, there is also a pdf version with slides in white background for printing.
Enjoy the reading!
14 slides + pdf (handouts)