Science · 1863–1941

Annie Jump Cannon

American astronomer who developed the modern system for classifying stars

Did you know?She was nearly deaf for most of her career, yet manually classified hundreds of thousands of stars by observing their light spectra.

Annie Jump Cannon (December 11, 1863 – April 13, 1941) was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C.

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Age at death
77
Years since death
85

Born on the same day6

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