Lesson: Classifying Stars by Brightness and TemperaturePhysics
In this lesson, we will learn how to classify stars according to their brightness (or absolute magnitude) and their temperature (using their color).
Sample Question Videos
An astronomer looks at the light coming from two stars: star A and star B. Star B is emitting bluer light than star A. Which star is hotter?
The table shows the absolute magnitudes of several nearby stars.
|Star||Gliese 687||Epsilon Eridani||Ross 614||Procyon A|
Which star is the brightest?
Which star is the dimmest?
The lower the value of the absolute magnitude of a star, the that star is. The higher the value of the absolute magnitude of a star, the that star is.