(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
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       xkcd - A Webcomic - Hertzsprung-Russell Diagram (2009)
        
       Image:
 (PNG) hertzsprung_russell_diagram.png
        
       The Hertzsprung-Russell diagram is located in its own lower right
       corner, unless you're viewing it on an unusually big screen.
        
       Comics reproduced from www.xkcd.com under license.
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