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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 dic 1908 año - Publishes theory on correlation between period and luminosity in Cepheid variables
Añadido al timeline:
Henrietta Leavitt
By
Shawn Cunning
2 oct 2018
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fecha:
31 dic 1908 año
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~ 116 years ago
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