Word: redder
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Dates: during 1910-1919
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...stars in the two zones. This work is almost ready for publication. The work of ascertaining the color of all the stars has been started within the last year. The most recent publications are Volume 76, Part I, by Professor King, showing that distant stars are redder than nearer stars; and Volume 78, Part I, by Professor Bailey, which is a study of the variable stars in the clusters