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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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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
379
Data:
31 dez 1908 ano
Agora
~ 115 years ago
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