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10 ore 45 min, 1 gen 1945 anni - Alden becomes Director
Descrizione:
A former astronomer of the Observatory came back to lead the programs and other astronomers
Aggiunto al nastro di tempo:
History of McCormick Observatory
By
Mickayla Mabe
7 feb 2018
0
0
297
Data:
10 ore 45 min, 1 gen 1945 anni
Adesso
~ 79 years ago
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