Leavitt H
When1: 1908
When2: 1912
Who: Henrietta Swan Leavitt [Leavitt, Henrietta Swan]
What: astronomer
Where: USA
Detail: She lived 1868 to 1921. Cepheid-variable brightness varies directly with logarithm of period {period-luminosity relationship} [1908 and 1912].
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Date Modified: 2022.0224