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Helps design the Hale Telescope on Mount Palomar in California (22 ene 1941 año – 30 abr 1948 año)

Añadido al timeline:

Henrietta Leavitt

ByShawn Cunning
2 oct 2018
0
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436

fecha:

22 ene 1941 año
30 abr 1948 año
~ 7 years and 3 months
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