iGCSE Physics - Stellar Magnitude and the HR diagram (PowerPoint & Worksheet)

This lesson covers both the apparent and absolute magnitude of stars, brightness and luminosity, the logarithmic scale and the Hertzsprung-Russell diagram. The H-R diagram includes the positions of the main stellar types, the Sun and the evolutionary path of the Sun.
 
There is a worksheet of questions on these topics, including an answer sheet.
 
This is the fourth (of 6) lessons in this section entitled “Astrophysics” which is available as a bundle in our shop.