Annie Jump Cannon was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C. Pickering, she is credited with the creation of the Harvard Classification Scheme, which was the first serious attempt to organize and classify stars based on their temperatures. Source: Wikipedia
Annie Jump Cannon. (2023). The HistoryHop.com website. Retrieved 5:01pm UTC, Jan 27, 2023, from www.historyhop.com/famous-people/annie-jump-cannon/bio.
Annie Jump Cannon. [Internet]. 2023. The HistoryHop.com website. Available from: www.historyhop.com/famous-people/annie-jump-cannon/bio [Accessed 27 Jan 2023].
"Annie Jump Cannon." Bio. The HistoryHop.com website, 2023. Web. 27 Jan 2023.
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