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Annie Jump Cannon December 11, 1863- April 13, 1941 Helped to develop Harvard spectral system First woman to become officer on American Astronomical Society (dec 11, 1863 – apr 13, 1941)
Added to timeline:
Astronomy Project
By
Anuthra Abeysinghe
9 months ago
0
0
107
Date:
dec 11, 1863
apr 13, 1941
~ 77 years
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