Henrietta Leavitt

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Henrietta Leavitt (July 4, 1868 – December 12, 1921) was an Icons-flag-us.png American astronomer who discovered the relation between the luminosity and the period of Cepheid variable stars.


"A straight line can readily be drawn among each of the two series of points corresponding to maxima and minima, thus showing that there is a simple relation between the brightness of the variables and their periods."[1]


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