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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 dez 1908 ano - Publishes theory on correlation between period and luminosity in Cepheid variables
Adicionado na linha do tempo:
Henrietta Leavitt
By
Shawn Cunning
2 out 2018
0
0
499
Data:
31 dez 1908 ano
Agora
~ 116 years ago
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