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11 h 59 m, 2 nov 1914 año - The Observatory began using cameras
Descripción:
The new technology brought a new sense of accuracy to the astronomers' work
Añadido al timeline:
History of McCormick Observatory
By
Mickayla Mabe
7 feb 2018
0
0
297
fecha:
11 h 59 m, 2 nov 1914 año
Ahora mismo
~ 109 years ago
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