In which field was Annie Jump Cannon's work fundamental?
Astronomy
Philosophy
Anthropology
Psychology
Answer
Annie Jump Cannon's work was fundamental in the field of astronomy. She is credited with developing the Harvard classification system for stars, which is still used today. This system classifies stars based on their temperature, luminosity, and surface composition. Cannon's work helped to advance our understanding of the universe and the stars that make it up.
Shooting for the Stars: The Remarkable Journey of Annie Jump Cannon
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