File:HR-sparse-lb.svg
Summary
| Description |
English: This is an example of a Hertzsprung-Russell diagram; a plot of luminosity versus spectral class for a group of stars. The diagonal band labelled "main sequence" is where dwarf stars such as the Sun spend most of their active lif |
| Date | |
| Source | File:HR-sparse-de.svg |
| Author | Sch, Soued031 |
| Other versions |
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