The first person to view the planet…

September 1846 CE

The first person to view the planet Neptune, and know what he is looking at, is Johann Gottfried Galle, a German astronomer at the Berlin Observatory,  with the assistance of student Heinrich Louis d'Arrest, on September 23, 1846.

Neptune's discovery had been predicted by British astronomer John Couch Adams and French astronomer Urbain Le Verrier.

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Berlin Berlin Germany View →

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Johann Gottfried Galle View →

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Prussia, Kingdom of View →

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Technology View → Astronomy View →

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