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1 Jan 1830 Jahr - Johann Henrich Maedler, schoolteacher, and Willhelm Beer, banker. begin developing images geological surface features of Mars.
Zugefügt zum Band der Zeit:
28 Jan 2018
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History of Mars by Juan Centeno
Datum:
1 Jan 1830 Jahr
Jetzt
~ 194 years ago
Abbildungen: