Who was Annie Jump Cannon?
American astronomer
English physicist
French biologist
German chemist
Answer
Annie Jump Cannon was an American astronomer who is best known for her work on stellar classification. She developed the Harvard Classification Scheme, which is still used today to classify stars. Cannon was also a pioneer in the field of spectroscopy, and she helped to develop the tools and techniques that are used to study the chemical composition of stars.
Shooting for the Stars: The Remarkable Journey of Annie Jump Cannon
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