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1 ene 1830 año - Johann Henrich Maedler, schoolteacher, and Willhelm Beer, banker. begin developing images geological surface features of Mars.
Añadido al timeline:
28 ene 2018
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History of Mars by Juan Centeno
fecha:
1 ene 1830 año
Ahora mismo
~ 194 years ago
Fotos:
