In which field did Henrietta Swan Leavitt major?
Chemistry
Biology
Physics
Astronomy
Answer
Henrietta Swan Leavitt was an American astronomer who studied variable stars. She is best known for discovering the period-luminosity relation for Cepheid variables, which enabled the measurement of distances to remote galaxies. Leavitt's discovery was a major breakthrough in astronomy, and it helped to establish the size and age of the universe.
The Stellar Saga: Unraveling Henrietta Swan Leavitt's Cosmic Legacy
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