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Studies Astronomy at the Yerkes Observatory (1 Sept 1914 Jahr – 10 Mai 1917 Jahr)

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Earns a Doctorate from the University of Chicago

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Henrietta Leavitt

ByShawn Cunning

2 Okt 2018

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494

Datum:

1 Sept 1914 Jahr

10 Mai 1917 Jahr

~ 2 years and 8 months

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