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Helps design the Hale Telescope on Mount Palomar in California (22 janv. 1941 – 30 avr. 1948)

Ajouté au bande de temps:

Henrietta Leavitt

ByShawn Cunning

2 oct. 2018

0

0

436

Date:

22 janv. 1941

30 avr. 1948

~ 7 years and 3 months

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