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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Discovers over 2,400 Cepheid variable stars and created her period-luminosity theory (1 ene 1902 año – 28 abr 1904 año)
Añadido al timeline:
Henrietta Leavitt
By
Shawn Cunning
2 oct 2018
0
0
494
fecha:
1 ene 1902 año
28 abr 1904 año
~ 2 years and 3 months
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