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HR Diagram
Term | Definition |
---|---|
HR diagram | a graph of luminosity versus spectral type. Requires a known parallax (luminosity) and based upon observed spectral lines(temperature) (Spectral type) |
Schematic HR Diagram | D5 |
Red Dwarf | Most common kind of stars in the galaxy |
Proxima Centauri | closest star after sun. M spectral type. Not visible to naked eye. |