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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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On This Day ā October 313 events ā
1923 ā The first of 160 consecutive days of 100Ā° Fahrenheit at Marble Bar, Western Aust
1924 ā World Savings Day is announced in Milan, Italy by the Members of the Association
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