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List view record 1: Great Heroes and Discoveries of Astronomy. Episode 4, The Heroic Discovery of Other Galaxies [eFilm]List view anchor tag for record 1: Great Heroes and Discoveries of Astronomy. Episode 4, The Heroic Discovery of Other Galaxies [eFilm]
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Great Heroes and Discoveries of Astronomy. Episode 4, The Heroic Discovery of Other Galaxies [eFilm]

2022
How did Henrietta Swan Leavitt, the prolific discoverer of variable stars, make sense of "Cepheid variables"? How did she calculate the relationship between their periods and their true luminosities? How did Edwin Hubble use Leavitt's work (known as the Leavitt law) to measure the distance to the...
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