Universe: Stars And Galaxies
Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 19, Problem 40Q
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The way, the color changes of the binary system of Algol, when the larger star eclipses the smaller one and the smaller star eclipses the larger one while observing through a small telescope.

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