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10h 45min, jan 1, 1945 y - Alden becomes Director
Description:
A former astronomer of the Observatory came back to lead the programs and other astronomers
Added to timeline:
History of McCormick Observatory
By
Mickayla Mabe
7 Feb 2018
0
0
297
Date:
10h 45min, jan 1, 1945 y
Now
~ 79 years ago
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