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Annie Jump Cannon (/ ˈ k æ n ə n /; December 11, 1863 – April 13, 1941) was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification.
Annie Jump Cannon was an American astronomer who specialized in the classification of stellar spectra. Cannon was the eldest daughter of Wilson Cannon, a Delaware state senator, and Mary Jump. She studied physics and astronomy at Wellesley College, graduating in 1884.
- The Editors of Encyclopaedia Britannica
Known as the “census taker of the sky,” Annie Jump Cannon was a brilliant astronomer that revolutionized the way scientists classify stars. Not only did she develop the important Harvard spectral system, she also classified about 350,000 stars manually.
Apr 17, 2019 · Annie Jump Cannon was a pioneering astronomer responsible for the classification of hundreds of thousands of stars.
Nov 12, 2016 · Annie Jump Cannon was a female astronomer best known for coming up with the current system of stellar classification. Her system — ranking stars as O, B, A, F, G, K or...
Jul 3, 2019 · Annie Jump Cannon (December 11, 1863–April 13, 1941) was an American astronomer whose work in star cataloging led to the development of modern star classification systems. Along with her groundbreaking work in astronomy, Cannon was a suffragist and activist for women’s rights. Fast Facts: Annie Jump Cannon.
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Annie Jump Cannon. Born: Dec 11, 1863 in Dover, Delaware. Died: Apr 13, 1941 (at age 77) Nationality: American. Famous For: Stellar classification. Awards: Henry Draper Medal (1931) Annie Jump Cannon was a Delaware-born astronomer who discovered at least 300 variable stars.
