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How Did Henrietta Swan Leavitt Discover Cepheid Periodicity?
š” The Answer
- She analyzed photographic plates of the Magellanic Clouds taken at Harvard College Observatory.
- By measuring brightness changes over time, she noticed a clear pattern linking period to luminosity.
- Her 1912 paper established the period-luminosity law, revolutionizing distance measurement.
- Despite her groundbreaking work, she was not awarded a Nobel Prize.
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