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Discovers over 2,400 Cepheid variable stars and created her period-luminosity theory (1 gen 1902 anni – 28 apr 1904 anni)

Aggiunto al nastro di tempo:

Henrietta Leavitt

ByShawn Cunning

2 ott 2018

0

0

499

Data:

1 gen 1902 anni

28 apr 1904 anni

~ 2 years and 3 months

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