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21 sept 1893 año - Wilhem Baade
Descripción:
Calculated an accurate estimate of the size of the universe and discovered supernovas
Añadido al timeline:
Astronomers Timeline
By
Elijah Hatcher
7 nov 2018
0
0
222
fecha:
21 sept 1893 año
Ahora mismo
~ 130 years ago
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