How Old Is the Universe?

How Old Is the Universe?

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qTells the story of how astronomers solved one of the most compelling mysteries in science and, along the way, introduces readers to fundamental concepts and cutting-edge advances in modern astronomyq--From publisher description.CHAPter9 ... Reading. a. Hertzsprung-Russell. (H-R). Diagram. The line spectrum of the companion is identical to that of Sirius in all respects . . . indicating that the companion of Sirius has a color index not appreciably different from that of theanbsp;...

Title:How Old Is the Universe?
Author:David A. Weintraub
Publisher:Princeton University Press - 2011


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