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Chapter 12: Measuring the Properties of Stars
Measuring Distances to Stars
This is a good animated demonstration, but you must play with it for a little while to learn how it works.
Visit the Parallax Lab at UW-JAVA Visualization web site
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The Hertzsprung-Russell Diagram
This site gives the basics of the H-R diagram and includes a link ("H-R Diagram Activities") to a number of great activities related to the H-R diagram. The site also includes many links on other astronomy topics.
Visit the The Hertzsprung-Russell Diagram web site
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Eclipsing Binaries
This site includes a description of binary stars in general with links to articles that discuss light curves and photometry of eclipsing binaries. It also includes JAVA simulations of binary stars and a free eclipsing binary simulator to visualize the orbit and light curve of eclipsing binary stars.
Visit the Eclipsing Binary Stars web site
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