Hertzsprung–Russell diagram
From Conservapedia
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]
References
- ↑ Universe: The Definitive Visual Guide (2005), DK Publishing , page 232.
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