Last modified on January 7, 2017, at 14:42

Hertzsprung–Russell diagram

Hertzsprung-Russell diagram

The Hertzsprung–Russell diagram is a type of chart showing the connection of temperature and brightness in stars. The diagram illustrates three groups of stars; the main sequence, the giants and supergiants, and the white dwarfs. It is named after the astronomers Ejnar Herzsprung and Henry Russell[1]


  1. Universe: The Definitive Visual Guide (2005), DK Publishing , page 232.