The HR Diagram

The HR Diagram

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The HR Diagram - The 100th Anniversary of Henry Norris Russell was held on November 2-5, 1977 at the National Academy ... Norris Russell on October 25, 1877 and to review current problems in the use of the Hertzsprung-Russell diagram.

Title:The HR Diagram
Author:Henry Norris Russell
Publisher: - 1978


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