Star Evolution

What is a color-magnitude diagram?

A color-magnitude diagram is a type of Hertzsprung-Russell diagram that plots the apparent magnitude of stars on the vertical axis and the color of those same stars on the horizontal axis. They are particularly useful for studying populations of stars in clusters.


This is a web preview of the "The Handy Astronomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App