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1 gen 1902 anni - Hired at Harvard Observatory

Descrizione:

Leavitt is hired at Havard's observatory and works there for the next 19 years.

Aggiunto al nastro di tempo:

Henrietta Leavitt

ByShawn Cunning

2 ott 2018

0

0

499

Data:

1 gen 1902 anni

Adesso

~ 123 years ago

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